He married, first, a daughter of George Constantine; secondly, Jane, daughter of Thomas Kynaston of Estwick, Staffordshire, by whom he had a son, Sir George Young (fl.
This passage describes a man's marriages and his subsequent son. The context suggests that he had two wives, one being the daughter of George Constantine and another being Jane, daughter of Thomas Kynaston of Estwick, Staffordshire.  Their union produced a son named Sir George Young.