No relation

Alfred Tarski (né Alfred Teitelbaum), logician.

Volodia Teitelboim Volosky (né Valentín Teitelboim Volosky), Chilean politician.

Ruth Teitelbaum (née Lichterman), one of the first computer programmers in the world.

Jackiw–Teitelboim gravity (The co-discoverer of this equation, Claudio Bunster Weitzman (né Bunster Teitelboim), thought for most of his life that he was Volodia Teitelboim’s son, but this Teitelboim had no relation to that Teitelboim).