Removing unknown spouses in Family Tree Maker 2008-2012:
http://ftm.custhelp.com/app/answers/detail/a_id/5164/
(This is for Windows but process is pretty much the same in Mac)(
http://ftm.custhelp.com/app/answers/detail/a_id/5164/
(This is for Windows but process is pretty much the same in Mac)(