- Served King Fernando of Portugal as his chief treasurer.
- He man in Queen Leonor's confidence whom she asked Juan I of Castile to appoint as Rabbi of Castile, but the king refused, yielding to the request of his wife Beatriz to appoint Dom David Negro instead.
- Translated as 'Dom Yehuda'. [CKJ1, chs. 14 and 76]
dom Yuda