"Obviously Kane was prolific in run scoring all the way through from the time he was very young," says Cleaver.
He recalls how he and Williamson ended up representing their schools, Palmerston North Boys' High School and Tauranga Boys' College, respectively, but doesn't remember which school prevailed at the annual Gillette Cup tournament.
"It was pool play and he got a hundred, though," he says with a laugh of the world-class Williamson.
"He got dropped early ... but I can't remember much because we were in fifth form then."
But the family trait of a cordial personality is undeniably synonymous, even though it's an endorsement from one of their own.
"He's always been very down to earth and an extremely genuine person so we always got along well," says Cleaver who may one day play under the leadership of his famous cousin.