ing ▁with ▁her ▁mother , ▁Est her , ▁and ▁brother , ▁Y akov ▁( Jac ob ). ▁Her ▁father , ▁H yman ▁T work ov sky , ▁was ▁a ▁tail or ▁who ▁had ▁em igr ated ▁New ▁York ▁earlier . ▁B ial a ' s ▁parents ▁changed ▁their ▁surname ▁to ▁Bern stein ▁because ▁a ▁relative ▁whom ▁they ▁listed ▁as ▁spons or ▁on ▁their ▁imm igration ▁documents ▁bore ▁that ▁name . Jack ▁T work ov ▁said ▁that ▁the ▁Bern stein ▁relative ▁was ▁one ▁of ▁his ▁father ' s ▁brothers ▁but ▁he ▁did ▁not ▁explain ▁how ▁the ▁brother , ▁if ▁her ▁were ▁a ▁T work ov sky , ▁came ▁to ▁be ▁called ▁Bern stein , ▁and ▁the ▁identity ▁of ▁this ▁person ▁has ▁not ▁been ▁established .( See ▁the ▁Chron ology ▁section ▁of ▁the ▁Jack ▁T work ov ▁web ▁site .) ▁The ▁family ▁also ▁American ized ▁its ▁for en ames . ▁B ial a , ▁whose ▁Heb rew ▁name ▁was ▁Sch ene ha ia , ▁became ▁Jan ice ▁and ▁Y akov ▁became ▁Jack . ▁Jack ▁would ▁later ▁change ▁his ▁surname ▁to ▁a ▁simplified ▁form ▁of ▁the ▁original ▁family ▁name ▁and , ▁using ▁that ▁name , ▁Jack ▁T work ov , ▁would ▁establish ▁himself ▁as ▁a ▁highly ▁regarded ▁painter ▁of ▁the ▁New ▁York ▁School . ▁Following ▁her ▁brother ' s ▁lead , ▁Jan ice ▁Bern stein ▁became ▁Jan ice ▁T work ov ▁and , ▁in ▁ 1 9 2 9 , ▁was ▁natural ized ▁as ▁a ▁U . S . ▁citiz en ▁with ▁that ▁name . ▁▁