About Tzvi Eliezer ben David Charlap (חרל''פ) (ibn Yahya)
Rabbi in Salonika and Constantinople. Eliezer ben David was invited to be rabbi of Tykocin. Eliezer was not the first Charlap//Charlaf/Charlav. He assumed this name in honor of his ancestor. Charlap is an acronym for Chacham Rosh leGolei Portugal (later Polin), meaning: Chief Sage of the Exiles in Portugal (Poland).