Family: John du Plessis and Margery

Husband/father: John du Plessis
Wife/mother: Margery

Marriage:

Source: Complete Peerage, The











Individual: John du Plessis

Marital or other families:

Sex: Male

Death:

Source: Complete Peerage, The











Individual: Margery

Parental family: Henry and Philippe Basset
Marital or other families:

Note: Or Margaret

Title: Countess of Warwick in her own right

Sex: Female

Note: Sister of the whole blood and heir of Thomas

Death:

Note: Without issue

Source: Complete Peerage, The











Family: William Mauduit and Alice

Husband/father: William Mauduit
Wife/mother: Alice
Children:











Individual: William Mauduit

Marital or other families:

Sex: Male

Property: Hanslope, Buckinghamshire, and Hartley Mauditt, Hampshire

Source: Complete Peerage, The











Individual: Alice

Parental family: Waleran and Alice de Harcourt
Marital or other families:

Sex: Female

Note: Sister of the half blood of Henry, Earl of Warwick

Death:

Source: Complete Peerage, The











Individual: William Mauduit

Parental family: William Mauduit and Alice
Marital or other families:

Title: Earl of Warwick

Sex: Male

Note: First cousin of the half blood and heir of Margery, Countess of Warwick

Note: Only son and heir of William Mauduit by Alice, sister of the half blood of Henry, Earl of Warwick

Birth:

Death:

Source: Complete Peerage, The











Family: William Mauduit and Alice de Segrave

Husband/father: William Mauduit
Wife/mother: Alice de Segrave