John III de Dinham
John III was born in 1340 in Hartland, Devonshire, England.¹   He died in Hartland, Devonshire, England.¹ 

 Muriel de Courtenay
Muriel was born in 1350 in Woodhuish, Devonshire, England.¹   She died at the age of 39 on August 12th, 1389 in Hartland, Devonshire, England.  She was buried in Hartland Abbey, England.^1 1 

 John IV de Dinham
John IV was born in 1369 in Hartland, Devonshire, England.  He died at the age of 59 on December 25th, 1428 in Hartland, Devonshire, England.

 Joan de Dinham
Joan was born in 1371 in Hartland, Devonshire, England.  She died at the age of 36 in 1407 in Berkeley Castle, Gloucestershire, England.

 Muriel de Dinham
Muriel was born in 1380 in Hartland, Devonshire, England.¹   She died at the age of 32 in 1412 in Fenwick Manor, Campsall, Yorkshire, England.¹