The Duchy of Lancaster (First Creation) became extinct upon her father's death in 1361, however Maud became co-heiress, with her sister Blanche of Lancaster, to her father's estates and remaining titles. The title Earl of Leicester passed to her second husband who was confined due to insanity from 1358 until death in 1389, whilst the Earldom of Lancaster passed to her younger sister's husband, John of Gaunt.
The Duchy of Lancaster (First Creation) ceased to exist upon her father's demise in 1361, yet Maud became co-heiress with her sister Blanche of Lancaster, inheriting her father's estates and titles. The title Earl of Leicester passed to her second husband who was confined due to insanity from 1358 until his death in 1389, whilst the Earldom of Lancaster went to her younger sister's spouse, John of Gaunt.