« Reply #16 on: Thursday 19 July 12 11:13 BST (UK) »
When possible I do follow ancestor's siblings and their descendants forward. It can sometimes be the only way to confirm who an ancestor actually is.
However, I get a bit frustrated with ancestry trees where they following the "married-ins" backwards looking at their ancestors and siblings. OK if it's your direct ancestor who "married-in" then there is a genuine reason for doing this, but as sibling's wives are not direct ancestors I don't see why there is any need to research them.
(KENT) Lingwell, Rayment (BUCKS) Read, Hutchins (SRY) Costin, Westbrook (DOR) Gibbs, Goreing (DUR) Green (ESX) Rudland, Malden, Rouse, Boosey (FIFE) Foulis, Russell (NFK) Johnson, Farthing, Purdy, Barsham (GLOS) Collett, Morris, Freebury, May, Kirkman (HERTS) Winchester, Linford (NORTHANTS) Bird, Brimley, Chater, Wilford, Read, Chapman, Jeys, Marston, Lumley (WILTS) Arden, Whatley, Batson, Gleed, Greenhill (SOM) Coombs, Watkins (RUT) Stafford (BERKS) Sansom, Angel, Young, Stratton, Weeks, Day