Complex sentence: There is some debate as to who the first woman registered with the guild was, with some sources saying it was Leyster in 1633 and others saying it was Sara van Baalbergen in 1631.
Split into simpler sentences: There is some debate as to who the first woman registered with the guild was. With some sources claiming it was Leyster in 1633 and others claiming it was Sara van Baalbergen in 1631.