'John Brooke married, 8 May 1554 [St. Leonard's nigh Eastcheap, London], Elizabeth Waterman, both of St. Leonard's, ... The marriage record seems to have garbled her surname, as in her will ... she alludes to Elizabeth and William Whetman, children of her brother.'
The article goes on to provide evidence that Elizabeth was likely a Whatman from Bletchingley, Surrey.