Siddiqui is a family name or surname belonging to the descendants of Abu Bakr, a companion of Muhammad. The title "Siddiq" (Arabic: Veracious) was given to the first Muslim Caliph (one of the Rashidun, or "Rightly guided" Caliphs) Abu Bakr by Muhammad. Siddiqui means The Truthful in Arabic.
Zaid or Zayd (زيد) is an Arabic masculine name, which means "to prosper".
