The six Olsen siblings had a rare family reunion at eldest son Trent’s May 2026 wedding.

Mary-Kate, Ashley and Elizabeth Olsen come from a big family Catherine Santino is a Style Writer-Reporter at PEOPLE. She began contributing to PEOPLE in 2022 and joined the staff full time in 2024.

Over the last decade and a half, the world has learned — and loved — that there's a third Olsen sister. We knew about Mary-Kate and Ashley Olsen, who rose to fame as toddlers on "Full House" and are ...

While twins Mary-Kate and Ashley Olsen are household names (along with their younger sister Elizabeth), their other siblings tend to stay out of the spotlight. The famous pair — who first skyrocketed ...