Thomas Trethurfe
Thomas was born in 1477 in Trelowarren, Cornwall, England.  He died at the age of 52 on September 10th, 1529.

 Mary Trevisa
Mary was born in Cornwall, England.  Mary is no longer alive.

 Elizabeth Trethurfe
Elizabeth was born about 1501.

 Margaret Trethurfe
Margaret was born about 1505.