Donald and Melania Trump have a surprisingly large age gap : Nearly 24 years, in fact. Born in 1970, Melania is also only seven years older than her eldest stepson, Donald Trump Jr. Melania and Don Jr. happened to become first-time parents around the same time too, leading to a tiny age gap between Barron Trump and his niece, Kai Trump. The first son was born in March 2006, and Kai followed soon after in May 2007. As Stephanie Wijkstrom , MS, LPC, NBCC, exclusively informed The List, "When we think of uncles and nieces, we immediately summon an older person and a much younger child."

In the past, when large families were more common, there were plenty of instances when the oldest and youngest siblings had a considerable difference. As a result, some members of the next generation could

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