If you look at the How related tool for the people you have problems with does that shed any light on the problem. I just tried the same thing with my husband's complex family and it seems to be working fine, I do have quite a few with cousin twice because two brothers married two sisters. On 7 September 2011 16:16, Karen Gardner <karenndean@ntlworld.com> wrote: > However I have just noticed that someone else I have added doesn't have a > duplicate relationship line..... > It doesn't appear to be doing it for everyone. Frustrating. > -- Jane. Jane Taubman | www.rjt.org.uk | www.taubman.org.uk |www.fhug.org.uk