The pair are survived by at least 17 grandchildren, several of them involved in public service. Here is a look at the Bush's family tree: ...

TODAY's Jenna Bush Hager once shared that her late grandfather's inauguration in 1989 is her “earliest memory.” ...

Some species, like the South African galago, hang out in acacia trees ... The Senegal bush baby has even been known to reuse old birds’ nests or abandoned beehives for shelter. Family groups ...