In 1839, Jacob (Ya'akov) Valero appeared in Jewish communal records as a ritual slaughterer of the Sephardi community in Jerusalem. In 1849, he was described as a "talmid hakham" (scholar). In 1835, his profession was listed as "moneychanger." He opened his bank in 1848 in the Old City of Jerusalem and managed it until his death.
- Chaim Aharon Valero, son of Jacob Valero.
- Aaron Valero, great-grandson of Jacob Valero. Israeli physician and educator.
- "Guide to Palestine and Egypt" by Macmillan & Co, (Page 15) Published 1901.
- Simon Sebag Montefiore Jerusalem The Biography (2011) Page 344,360. W&N (Orion) London. ISBN 0-297-85265-5