William Wallace was born c1270 in Elderslie in Renfrewshire.
Tradition has it that he was educated by the monks of Paisley Abbey.
He died on the 23 of August 1305 in Smithfield in London, where Wallace was sentenced to be hung, drawn and quartered.
This window can be found at the west end of the south aisle. It was created by artists James Ballantyne & Son, Edinburgh in 1873.
The base of the design contains the shield of Wallace, wreathed with Scottish thistle and supported by swords of Wallace's time.
The coat of arms is Wallace of Elderslie.
The window bears the inscription "To the memory of the Knight of Elderslie in this Parish. Erected by the Glasgow St Andrews Society"