He had a relationship with Clémence "Constance" de Grousselier.Source 1
https://books.google.be/books?id=cSzJVDgRGI0C&pg=PA216&lpg=PA216&dq=edwards+dit+trevor&source=bl&ots=Z6zpf2Pwqx&sig=ACfU3U1CSeczr3r9I3q6hwffZxYua_vcZw&hl=fr&sa=X&ved=2ahUKEwiEirmy6OLzAhVLuqQKHRAdBmYQ6AF6BAgXEAM#v=onepage&q=edwards%20dit%20trevor&f=false
Child(ren):
Event (unmarried).
Joseph Clément de Bavière | |||||||||||||||||||||||||||||||||||
Clémence "Constance" de Grousselier |