Alexander Cosby (died 1694) (1639–1694) Parents Ann Loftus Francis Cosby Children Arnold Cosby Loftus Cosby Elizabeth Cosby Jane Cosby Dorcas Cosby William Cosby Henry Cosby George Cosby Anne Cosby Dudley Cosby Alexander Cosby Thomas Cosby Isabella Cosby Celia Cosby Siblings Sydney Cosby Thomas Cosby Partners Elizabeth L'Estrange