Other research suggest that siblings born farther apart achieve higher educational outcomes.
He is the only one of three siblings not born in Poland.
Pop groups and television shows are siblings born too far apart to be friends.
He is one of 10 siblings born to the former king and his four wives, who are all sisters.
His study compared twin pairs age 9-10 and 13-14 to normal siblings born within a few years of one another.
She is the second child and eldest daughter, with seven siblings born after her.
What do you call siblings born to the other pack?
Shields is one of five siblings born to a mother who worked as a nurse and a food-industry executive father.
He had seven younger siblings born between 1879 and 1894.
They were all siblings born with the family name Lynch.