JL
Joan le Tyas
Vitals
Family
Children
Research notes
~ Joan, daughter of Baldwin le Tyas (Teutonicus) and widow of Sir Robert de Hoyland (d. early in Edward I's reign); first wife of Sir John de Byron (VCH fn.29). ~ as mother of Sir Richard (d. c.1347): VCH implies it (Alice is the 2nd wife) but does not state it. Her father not wired. Source: Victoria County History of Lancaster vol. IV (1911), 'Townships: Droylsden' (Clayton), pp.282-287 and fns.20-44 (british-history.ac.uk), read 2 Nov 2026. [DIRECT ANCESTOR OF THE COMPILER: flag added 2 Nov 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]