Queen Sofía of Spain was Queen from 1975 to 2014, married to King Juan Carlos I. She is known for her philanthropic work and support for various charitable organizations.
This is based on winning 8 head-to-head matchups with other famous people, but also losing 14 head-to-head matchups.
Most recently Queen Sofía of Spain lost a matchup to Maya Angelou (#1230) voted by someone from Canada.