diff --git a/seeds/test10.ged b/seeds/test10.ged
new file mode 100644
index 0000000..7156df3
--- /dev/null
+++ b/seeds/test10.ged
@@ -0,0 +1,196 @@
+0 HEAD
+1 SOUR Family Echo
+2 WWW http://www.familyecho.com/
+1 FILE Family 2
+1 DATE 20 SEP 2020
+1 DEST ANSTFILE
+1 GEDC
+2 VERS 5.5.1
+2 FORM LINEAGE-LINKED
+1 SUBM @I9@
+2 NAME Peter Damianov
+1 SUBN
+1 CHAR UTF-8
+0 @I1@ INDI
+1 NAME John /Smith/
+2 GIVN John
+2 SURN Smith
+2 _MARNM Smith
+1 SEX M
+1 BIRT
+2 DATE 11 AUG 1965
+1 FAMS @F1@
+1 FAMC @F2@
+0 @I2@ INDI
+1 NAME Susan /Jones/
+2 GIVN Susan
+2 SURN Jones
+2 _MARNM Smith
+1 SEX F
+1 BIRT
+2 DATE 14 AUG 1969
+1 FAMS @F1@
+1 FAMC @F3@
+0 @I3@ INDI
+1 NAME Dylan /Smith/
+2 GIVN Dylan
+2 SURN Smith
+2 _MARNM Smith
+1 SEX M
+1 BIRT
+2 DATE 21 NOV 2002
+1 FAMC @F1@
+0 @I4@ INDI
+1 NAME Frank /Jones/
+2 GIVN Frank
+2 SURN Jones
+2 _MARNM Jones
+1 SEX M
+1 BIRT
+2 DATE 9 APR 1940
+1 FAMS @F3@
+0 @I5@ INDI
+1 NAME Emily /Michaels/
+2 GIVN Emily
+2 SURN Michaels
+2 _MARNM Jones
+1 SEX F
+1 BIRT
+2 DATE 5 OCT 1942
+1 FAMS @F3@
+0 @I6@ INDI
+1 NAME Bernard /Smith/
+2 GIVN Bernard
+2 SURN Smith
+2 _MARNM Smith
+1 SEX M
+1 BIRT
+2 DATE 6 FEB 1940
+1 FAMS @F2@
+0 @I7@ INDI
+1 NAME Theresa /Kelly/
+2 GIVN Theresa
+2 SURN Kelly
+2 _MARNM Smith
+1 SEX F
+1 BIRT
+2 DATE 22 JUL 1941
+1 FAMS @F2@
+0 @I8@ INDI
+1 NAME Kevin /Brown/
+2 GIVN Kevin
+2 SURN Brown
+2 _MARNM Jones
+1 SEX M
+1 BIRT
+2 DATE 30 MAY 1967
+1 FAMS @F4@
+1 FAMS @F5@
+1 FAMC @F3@
+0 @I9@ INDI
+1 NAME Diane /Brown/
+2 GIVN Diane
+2 SURN Brown
+2 _MARNM Jones
+1 SEX F
+1 BIRT
+2 DATE 2 JAN 1970
+1 FAMS @F4@
+0 @I10@ INDI
+1 NAME Paul /Smith/
+2 GIVN Paul
+2 SURN Smith
+2 _MARNM Smith
+1 SEX M
+1 BIRT
+2 DATE 14 JUL 1968
+1 FAMC @F2@
+0 @I11@ INDI
+1 NAME James /Jones/
+2 GIVN James
+2 SURN Jones
+2 _MARNM Jones
+1 SEX M
+1 BIRT
+2 DATE 10 OCT 2007
+1 FAMC @F4@
+0 @I12@ INDI
+1 NAME Lucia /Johnson/
+2 GIVN Lucia
+2 SURN Johnson
+2 _MARNM Jones
+1 SEX F
+1 BIRT
+2 DATE 5 DEC 1967
+1 DEAT Y
+2 DATE 11 MAY 2001
+1 FAMS @F5@
+0 @I13@ INDI
+1 NAME Michelle /Jones/
+2 GIVN Michelle
+2 SURN Jones
+2 _MARNM Jones
+1 SEX F
+1 BIRT
+2 DATE 8 MAR 1999
+1 FAMC @F5@
+0 @I14@ INDI
+1 NAME Evan /Smith/
+2 GIVN Evan
+2 SURN Smith
+2 _MARNM Smith
+1 SEX M
+1 BIRT
+2 DATE 10 NOV 1997
+1 FAMC @F1@
+0 @I15@ INDI
+1 NAME Matthew /Smith/
+2 GIVN Matthew
+2 SURN Smith
+2 _MARNM Smith
+1 SEX M
+1 BIRT
+2 DATE 1 JUL 1997
+1 FAMC @F1@
+0 @F1@ FAM
+1 HUSB @I1@
+1 WIFE @I2@
+1 CHIL @I3@
+1 CHIL @I14@
+1 CHIL @I15@
+1 MARR
+2 DATE 27 JUN 1995
+1 _CURRENT Y
+0 @F2@ FAM
+1 HUSB @I6@
+1 WIFE @I7@
+1 CHIL @I1@
+1 CHIL @I10@
+1 MARR
+2 DATE 7 AUG 1965
+1 _CURRENT Y
+0 @F3@ FAM
+1 HUSB @I4@
+1 WIFE @I5@
+1 CHIL @I2@
+1 CHIL @I8@
+1 MARR
+2 DATE 12 SEP 1965
+1 _CURRENT Y
+0 @F4@ FAM
+1 HUSB @I8@
+1 WIFE @I9@
+1 CHIL @I11@
+1 MARR
+2 DATE 21 MAY 2006
+1 _CURRENT Y
+0 @F5@ FAM
+1 HUSB @I8@
+1 WIFE @I12@
+1 CHIL @I13@
+1 MARR
+2 DATE 20 DEC 1996
+1 EVEN
+2 TYPE Ending
+1 _CURRENT N
+0 TRLR
diff --git a/src/UserStories/us13.py b/src/UserStories/us13.py
new file mode 100644
index 0000000..9eec6c2
--- /dev/null
+++ b/src/UserStories/us13.py
@@ -0,0 +1,96 @@
+'''
+Author:     Samantha Inneo
+Sprint:     Sprint 1
+Use Case:   Birth dates of siblings should be more than 8 months apart or less than 2 days apart 
+            (twins may be born one day apart, e.g. 11:59 PM and 12:02 AM the following calendar day)
+'''
+import sys
+sys.path.append("c:\\Users\\Stevens User\\555_Team_4\\Team-4-Code\\src")
+import Project02
+sys.path.append("C:\\Users\\Stevens User\\Documents\\GitHub\\Team-4-Code\\seeds")
+import pandas as pd
+import datetime
+import copy
+import os
+sys.path.append(os.path.abspath('../src/userstories'))
+
+def siblingsAgeGap(gedcom_name):
+    # I need to gather all the siblings of each family
+    # check if their birthdays are more than 8 months apart
+    # check if their birthdays are less than 2 days apart
+    #return true if they are valid, false if they are not
+    # eight_months = 240
+    # two_days = 2
+
+    individuals = Project02.createIndividualsDataFrame(gedcom_name)
+    families = Project02.createFamiliesDataFrame(gedcom_name)
+
+    child = []
+    #indiv = copy.deepcopy(individuals[["Name", "Birthday", "Dead"]])
+
+    children = copy.deepcopy(families["Children"])
+    #print(children)
+    #for index, row in children.iterrows():
+    invalids = 0
+    for row in families.Children:
+        if len(row) > 1:
+            for i in range(len(row)):
+                main = row[i]
+                row2 = [n for n in row if n != main]
+                
+                main_d = pd.to_datetime(list(individuals[individuals.ID == main].Birthday)[0])
+                for x in row2:
+                    x_d = pd.to_datetime(list(individuals[individuals.ID == x].Birthday)[0])
+                    if abs(int((main_d - x_d).days)) > 2 and abs(int((main_d - x_d).days)) < 240:
+                        print("Individuals ", main, " and ", x, " are invalid.")
+                        invalids+=1
+    if invalids == 0:
+        print("All siblings are valid")
+
+
+
+
+'''
+import sys
+import copy
+sys.path.append("C:\\Users\\Stevens User\\Documents\\GitHub\\Team-4-Code\\src")
+import Project02
+sys.path.append("C:\\Users\\Stevens User\\Documents\\GitHub\\Team-4-Code\\seeds")
+import pandas as pd
+import datetime
+
+def siblingsAgeGap(gedcom_name):
+    # I need to gather all the siblings of each family
+    # check if their birthdays are more than 8 months apart
+    # check if their birthdays are less than 2 days apart
+    #return true if they are valid, false if they are not
+    eight_months = 240
+    two_days = 2
+
+    individuals = Project02.createIndividualsDataFrame(gedcom_name)
+    families = Project02.createFamiliesDataFrame(gedcom_name)
+
+    child = []
+    children = copy.deepcopy(families[["Children"]])
+    indi = copy.deepcopy(individuals[["ID", "Birthday"]])
+    for index, row in children.iterrows():
+        #indiv = copy.deepcopy(individuals[["Name", "Birthday", "Dead"]])
+        if len(row["Children"]) > 1:
+            for i in row["Children"]:
+                lst = row["Children"]
+                for j in lst:
+                    for k, rows in indi.iterrows():
+                        if lst[j] == rows[individuals["ID"]]:
+                            child.append(rows[individuals["Birthday"]])
+                for m in range(len(child)):
+                    child2 = child[:m] + child[m:]
+                    for l in range(len(child2)):
+                        if  ((pd.to_datetime(child[k]) - pd.to_datetime(child2[l]))  > two_days) and  ((pd.to_datetime(child[k]) - pd.to_datetime(child[l])) < eight_months ):
+                            print("invalid: sibling birthdays")
+            
+
+siblingsAgeGap("seeds/seed.ged")   
+'''
+
+
+       
diff --git a/tests/us13_test.py b/tests/us13_test.py
new file mode 100644
index 0000000..489f074
--- /dev/null
+++ b/tests/us13_test.py
@@ -0,0 +1,39 @@
+import unittest
+import datetime
+import sys
+import os
+sys.path.append(os.path.abspath('../src/userstories'))
+import sys
+# sys.path.append("c:\\Users\\Stevens User\\555_Team_4\\Team-4-Code\\seeds")
+os.chdir("c:\\Users\\Stevens User\\555_Team_4\\Team-4-Code\\seeds")
+from us13 import siblingsAgeGap
+
+class US_13_TEST(unittest.TestCase):
+    def test1(self):
+        filename = "seed.ged" 
+        ret = "All siblings are valid"
+        self.assertEqual(siblingsAgeGap(filename),ret)
+
+    def test2(self):
+        filename = "test1.ged" 
+        ret = "All siblings are valid"
+        self.assertEqual(siblingsAgeGap(filename),ret)
+
+
+    def test3(self):
+        filename = "test2.ged" 
+        ret = "All siblings are valid"
+        self.assertEqual(siblingsAgeGap(filename),ret)
+
+    def test4(self):
+        filename = "test5.ged" 
+        ret = "All siblings are valid"
+        self.assertEqual(siblingsAgeGap(filename),ret)
+    
+    def test5(self):
+        filename = "test4.ged" 
+        ret = "Individuals  I14  and  I15  are invalid.\n Individuals  I15  and  I14  are invalid."
+        self.assertEqual(siblingsAgeGap(filename),ret)
+
+if __name__ == '__main__':
+        unittest.main() 
diff --git a/tests/us30_test.py b/tests/us30_test.py
new file mode 100644
index 0000000..0508b1b
--- /dev/null
+++ b/tests/us30_test.py
@@ -0,0 +1,39 @@
+import unittest
+import datetime
+import sys
+import os
+sys.path.append(os.path.abspath('../src/userstories'))
+import sys
+# sys.path.append("c:\\Users\\Stevens User\\555_Team_4\\Team-4-Code\\seeds")
+os.chdir("c:\\Users\\Stevens User\\555_Team_4\\Team-4-Code\\seeds")
+from us30 import listLivingMarried
+
+class Inneo_Tests_HW4(unittest.TestCase):
+    def test1(self):
+        filename = "seed.ged" 
+        ret = ['John Smith', 'Susan Jones', 'Frank Jones', 'Emily Michaels', 'Bernard Smith', 'Theresa Kelly', 'Kevin Brown', 'Diane Brown']
+        self.assertEqual(listLivingMarried(filename),ret)
+
+    def test2(self):
+        filename = "test1.ged" 
+        ret = ['Sam Smith', 'Rick Smith', 'Hannah Smith', 'Alexa Smith']
+        self.assertEqual(listLivingMarried(filename),ret)
+
+
+    def test3(self):
+        filename = "test2.ged" 
+        ret = ['James Smith', 'Jen Smith', 'Claire Smith', 'Cody Smith', 'Rachel Smith', 'Rick Smith']
+        self.assertEqual(listLivingMarried(filename),ret)
+
+    def test4(self):
+        filename = "test3.ged" 
+        ret = ['Sam Smith', 'Rick Smith', 'Hannah Smith']
+        self.assertEqual(listLivingMarried(filename),ret)
+    
+    def test5(self):
+        filename = "test4.ged" 
+        ret = ['Joseph Jones', 'Cassidy Smith', 'Betty Jefferson', 'Maria Hamilton']
+        self.assertEqual(listLivingMarried(filename),ret)
+
+if __name__ == '__main__':
+        unittest.main()