From the Telegraph of 3 December 2010:
FORBES
On November 28th 2010, to MARIA (née Martell) and NEIL, a son, Geordie
Malcolm Andrew.
Neil Malcolm Ross FORBES (b 1970) m 2009 Maria Elfgyva (dau of Andrew
MARTELL of Shotley Hall, co Durham, and of Mrs Clare Thorn, of
Mistley, Essex). Neil is the son and heir of the Master of Forbes (b
1946), apparent heir of the 22nd Lord FORBES (b 1918). The infant is
therefore third in direct line of succession to this ancient peerage.
Lord Forbes joins a select group of peers who have a great grandson in
direct line who is born in the peer's lifetime.
Michael posted news of the parents' engagement in December 2008:
http://groups.google.com/group/peerage-news/browse_thread/thread/635ef31f305c9993/7ff1a034c0f2866e?lnk=gst&q=master+of+forbes#7ff1a034c0f2866e