18lb 12oz (8.5kg)
Beth Ryder, 35, of Mount Pleasant, Rawtenstall, Lancashire gave birth to 10lb 9oz (4.8kg) Theo and his 8lb 3oz (3.7kg) sister Millie on 18th October.
http://news.bbc.co.uk/1/hi/england/manchester/7063779.stm copy
Supplement from 11/02/2007 05:50pm:
Here they are... everybody say "Awwwww!" :-)