'... Richard Blysse, Jr., of Daventry, who, in turn, was the son of Richard Blysse, Sr., of the same and brother to both Henry Blysse, the miller-mercer of 1500, and the Thomas Blysse ... of Leamington; ...'
The proceedings of a court case brought by Richard's grandson Robert clearly identify Henry, Richard and Thomas of Leamington as brothers. The order of birth was part of the dispute - Robert arguing, but being unable to prove, that Richard was older than Thomas.