Looking up...
Mis ancestros vinieron de España.
My ancestors came from Spain.
A person from whom one is descended, especially one more remote than a grandparent.
La historia de mis ancestros es fascinante.
The history of my ancestors is fascinating.
Often used in historical or genealogical contexts.
'Ancestro' is more formal than 'antepasado'. Use 'antepasado' in everyday conversation.
'Ancestro' is masculine, but it can refer to both male and female ancestors.
From Latin 'antecessor' (predecessor), via Old French 'ancestre'.
In Spanish, 'ancestro' is more commonly used in formal or historical contexts, while 'antepasado' is more general.