Before we leave these confusing Quines....
Nigel Crowe previously wrote a lot about Arderry Braddan

He said that Robert Quine Jr received 1/2 Arderry at the time of his marriage
"After the death of Robert Senior and Margaret, the other half of Arderry was left to Robert junior’s younger brother John "

I can't seem to figure out a family with Robert/Margaret Quine having both Robert Jr and John????