Sir William was summoned to Parliament in London on 6 Oct 1297 shortly after the disastrous defeat at the Battle of Stirling Bridge .
Sir William was was mustered for service in the Scottish Wars on 24 Oct 1299 .
Sir William was summoned to Parliament in London on 6 Oct 1297 shortly after the disastrous defeat at the Battle of Stirling Bridge and was mustered for service in the Scottish Wars on 24 Oct 1299 .