Kane James has been named in Wales' autumn squad months after making his debut, while his sister Crystal is close to earning her first cap on the tour of Japan.
The Exeter back-row made his Wales debut against Argentina in the summer. He is now back in Steve Tandy's squad for the autumn internationals. His sister, a loosehead prop for Gwalia Lightning and Ealing Trailfinders, was part of Sean Lynn's squad for the Barbarians match in the summer and is now on the tour of Japan.
A proud moment for the family
"It's pretty cool," Kane said. "It's both of our dreams to play for Wales and having both of us in the squad at the same time is a pretty proud moment for our family, especially our parents, who have worked very hard to put us in positions to get into the squad."
Despite both playing at the highest level, Kane said conversations with his sister don't revolve around rugby. "We usually just say if we're in the team or not - that is pretty much it!"
As children, the two weren't exactly smashing into each other in the garden. "I'd say my sister is quite quiet and humble, so she wasn't (involved) - it was usually me and my younger brother, so I'd throw him about," he laughed. "But we both played from a young age."
From netball to rugby
Crystal had a couple of years away from rugby and played netball. "We'd always talk about it though, saying 'You should definitely be playing rugby. We think you could do pretty well,'" Kane said. She returned to the sport around 14 or 15, playing for Cardiff Quins before moving to Hartpury.
Crystal, 19, is combining rugby with studying nursing at Brunel in London. Kane is on an undergraduate accounting and finance course at the University of Exeter.
Their parents, Chris and Audrey, met in Australia, where Chris was playing rugby and Audrey had moved for work. Chris had a successful career with Swansea RFC before moving into coaching. Audrey was born on the island of Niue, which has fewer than 2,000 residents and one weekly flight to New Zealand.
Choosing Wales over England
Kane previously played for England Under-20s and qualified for New Zealand through his mother's roots, but said there was only ever one choice for the Pembrokeshire-born player. "It's always been my dream and passion to play for Wales," he said. "I grew up watching the likes of Taulupe Faletau and Sam Warburton play in the back row for Wales."
He described playing against Argentina as "a proud moment" and something he had worked towards for a while. The next step is to play in Cardiff, the city where he was raised.
His father endured a long journey to see his first cap, flying from Cardiff to Heathrow, then to Barcelona, Rio de Janeiro, Buenos Aires, and on to San Juan. "He had a long journey to see me play, which I was very grateful for," Kane said. "He's probably been the main driver in getting me to this position now."