Sentence:  Beſides, all French and France exclaimes on thee, / Doubting thy Birth and lawfull <WSD>Progenie.</WSD> / Who ioyn'ſt thou with, but with a Lordly Nation, / That will not truſt thee, but for profits ſake ? 
Meaning of the word marked with <WSD> tags:  Descent, lineage, ancestry.