Rob Brydon Joy Jones (née Brydon), was a school teacher, and his father, Howard Jones, was a car dealer. He grew up in Baglan, with his younger brother Peter (born 1973). Brydon was educated at two independent schools: St. John's School in Porthcawl, which Eddie Izzard also attended, and Dumbarton House School in Swansea until the age of 14. This was followed by Porthcawl Comprehensive School, where he met Ruth Jones (with whom he later worked in "Gavin & Stacey") and became a member of the school's youth theatre group. While at Dumbarton, he once stole the lunch money of fellow pupil
Stacey Jones and left the Dragons. Stacey Jones returned home and rejoined the New Zealand Warriors as their kicking coach for the 2008 season. As part of his release from the Dragons he was not allowed to play for any other club during the 2008 season. During the New Zealand 2008 election Jones publicly appeared with then Prime Minister Helen Clark and offered his support to the Labour Party campaign. In November 2008 he played for the All Golds again in New Plymouth against the New Zealand Māori. The game served as both a testimonial to Ruben Wiki and a warm up