Richard Avenal
Richard was born about 1117 in Sandhurst, Gloucestershire, England.  He died after 1180 in Edinburgh, Midlothian, Scotland.

 Sibyl
Sibyl was born about 1120 in England.  Sibyl is no longer alive.

 Isabel Avenal
Isabel was born about 1143 in Edinburgh, Midlothian, Scotland.  She died about 1185 in Stirling Castle, Stirlingshire, England.