Zippor
ZIPPOR (zĭp'ôr, Heb. tsippôr, bird). The father of Balak, king of Moab, and apparently of the Midianites (Num.22.3-Num.22.4).
International Standard Bible Encyclopedia (1915)
(tsippor; in Nu 22:4; 23:18; tsippor, "bird," "swallow" (HPN, 94)): Father of Balak, king of Moab (Nu 22:2,10,16; Jos 24:9; Jud 11:25).