Sentence:  my trust / Like a good <WSD>parent</WSD>, did beget of him / A falsehood in it's contrarie, as great / As my trust was, which had indeede no limit, / A confidence sans bound. 
Meaning of the word marked with <WSD> tags:  One of the two persons from whom one is immediately biologically descended; a mother or father. (from 15th c.)