Conversation so far:
When was Ferdinand Magellan born?
Ferdinand Magellan was born in the Portuguese town of Sabrosa in or around 1480.
Who was Ferdinand Magellan's family?
Ferdinand Magellan's father, Pedro de Magalhães, was a minor member of Portuguese nobility and mayor of the town. His mother was Alda de Mezquita.
Who were Ferdinand Magellan's siblings?
Ferdinand Magellan's siblings included Diego de Sosa and Isabel Magellan.

Question: What kind of careers did his family members have?
Self-contained rewrite: What kind of careers did Ferdinand Magellan's family members have?