nettle, i wonder if you could agree on a longer version with the NN Bran (Brandon, Branson, etc). or what about Bran appeals to you that you might find somewhere else. I read that Bran is the Celtic god of the underworld, whose symbol is the Raven. maybe you both like Raven? I think it's also a pretty common Welsh name, so maybe something like Gareth or Wyn would strike your fancy. Compromising on names with a partner is so difficult!