With an English father and Kiwi mother, the duo have the qualifications to play for two of the biggest nations in world rugby.
But Ethan says an international cap – for any nation – is a reward not just for him but for the family, friends and coaches who have helped him reach the top.
“My mum would always say, ‘You’re going to play for the All Blacks one day,’ and then my old man would be like, ‘What about the Rose?’
“So it’s always been there, the old man’s always been pushing it, we just never thought it was a possibility because of where we were.
“So to come over here and have that opportunity to go out and represent England was obviously unbelievable.
“People will say you’re raised by a village, not just your parents, it’s a village that raises you and that’s what was nice, it felt like I got there for everyone else, not necessarily just myself.”
Jimmy says he was “pumped” when his brother won his first England cap.
“I’ve seen him work so hard for so many years now, and sometimes go without being noticed.
“So to see him step into the light and really run away with it, it was really inspiring for me.
“I felt so super proud just to watch him be able to do what he told me he was going to, because he said two or three years ago that was his goal.”