Bear Grylls beams with pride as son Marmaduke, 18, funds four-month Asia trip himself
Bear Grylls' middle child is all grown up and the switched-on 18-year-old has been putting in the hours as a butcher to make ...
Bear Grylls reveals his pride as son Marmaduke, 18, heads off on a four-month trip round Asia after 'working hard' in order to pay for it himself
The TV star has been married to Shara Knight since 2000 and has sons Jesse, 21, Marmaduke, 18, and Huckleberry, 15  with her.