Actually, the church suggests, very reasonably, that godparents, wherever possible, should not be relatives.The rules are that there be one of each gender (the parents can be the godparents if there are no others) but that there should be 2 of the same gender and one of the other.
(
LordManley twitter.com/LordManley,
Sun 1 Jul 2007, 19:09,
archived)