diff --git a/creategroups.py b/creategroups.py
index f39619e..6207276 100755
--- a/creategroups.py
+++ b/creategroups.py
@@ -22,7 +22,8 @@
 #  Column 1 group id 
 #  Column 2 group name 
 #  Column 3 is a description
-#  Column 4 member id
+#  Column 4 (optional) member id
+#  Column 5 (optional) list of group names which are added to the group
 #
 # For example:
 #group2,"Group 2","My Group 2"
@@ -48,6 +49,18 @@ import csv
 import os
 from sharedfunctions import callrestapi, getfolderid, file_accessible, getidsanduris
 
+
+def getMembersOfGroup(id):
+
+    reqval="/identities/groups/"+id+"/members"
+    rst=callrestapi(reqval,'get')
+
+    lst = set() 
+    for member in rst['items']:
+       lst.add(member['id'])
+
+    return lst    
+
 # setup command-line arguements    
 parser = argparse.ArgumentParser(description="Create custom groups and establish membership")
 parser.add_argument("-f","--file", help="Full path to csv file containing groups ",required='True')
@@ -63,16 +76,20 @@ allgroups=callrestapi("/identities/groups","get")
 # create a list of all groups
 
 groupslist=[]
+groupNameDic = {} # dictionary for lookup group name -> group id
 
 if 'items' in allgroups:
     
         total_items=allgroups['count']
         returned_items=len(allgroups['items'])
-             
+        
+         
         for i in range(0,returned_items): 
                                 
            groupslist.append(allgroups['items'][i]['id'])
-           
+           groupNameDic[allgroups['items'][i]['name']] = allgroups['items'][i]['id']
+
+ 
 # file can be read
 if check:
 
@@ -110,9 +127,9 @@ if check:
 
                 if myresult != None: print("Note: Group: "+newgroup+" created" )
                       
-            # 4th column is group membership
-            if cols>=4:
-          
+            # 4th column is group membership (of user)
+            if cols>=4 and row[3]!=None and row[3]!="":
+         
                 member=row[3]
                 print("Note: Trying to add user "+ member+ " to group "+newgroup )
 
@@ -121,6 +138,21 @@ if check:
                 myresult=callrestapi(reqval,reqtype,data=data,stoponerror=0)
                 if myresult != None: print("Note: user: "+member+" added to group "+newgroup )
 
+            if cols>=5 and row[4]!=None and row[4]!="":
+                membergroups = row[4]
+                currentMembers = getMembersOfGroup(id)
+
+                for membergroup in membergroups.split(','):
+                    membergroupid = groupNameDic[membergroup]
+                    print ("Note: Trying to add group "+membergroup+" ("+membergroupid+") to group "+newgroup)
+
+                    if membergroupid in currentMembers:
+                        print ("  Group "+membergroup+" ("+membergroupid+") is already a member. Skiping")
+                    else:
+                        reqval="/identities/groups/"+id+"/groupMembers/"+membergroupid
+                        reqtype='put'
+                        myresult=callrestapi(reqval,reqtype,data=data,stoponerror=0)
+                        if myresult != None: print("Note: group: "+membergroup+" added to group "+newgroup )
 
 else:
     print("ERROR: cannot read "+file)