Faletau was born in
Tofoa,
Tonga, to Tongan international
Kuli Faletau, who represented
Tonga at the
1999 Rugby World Cup. Kuli moved to Wales in 1997 to join
Ebbw Vale.
Aki was born in the
Auckland suburb of
Otahuhu, to Hercules and Sautia Aki. He was named Fua Leiofi, but was called Bundellu after the doctor who delivered him. The nickname "Bundee" was given to him by a rugby coach at under-age level. Bundee was the second eldest of six children, with one brother and four sisters. He qualified for Ireland through residency.
Van der Merwe was born and grew up in
George in the
Western Cape province of
South Africa. The powerhouse winger qualified for Scotland through the three year residency rule.
Born in
Wellington, New Zealand, Vunipola was raised for much of his childhood in
Wales and attended Porth Junior School, and later
West Monmouth School. He qualified for England through residency.