See also

William WILLOUGHBY's other family: with Joan HOLLAND (c. 1380-1434)
William WILLOUGHBY's parents: Robert WILLOUGHBY (1349-1397) and Alice SKIPWITH (c. 1355- )
Lucy LE STRANGE's parents: Roger LE STRANGE (c. 1325-1382) and Aliva FITZ ALAN (c. 1325-1386)

Family of William WILLOUGHBY and Lucy LE STRANGE

Husband:
William WILLOUGHBY (c. 1370-1409)
Wife:
Lucy LE STRANGE (c. 1370-aft1398)
Children:
Thomas WILLOUGHBY (1387-1435)
Margary WILLOUGHBY (c. 1398- )

Husband: William WILLOUGHBY

Name:
William WILLOUGHBY
Sex:
Male
Father:
Robert WILLOUGHBY (1349-1397)
Mother:
Alice SKIPWITH (c. 1355- )
Birth:
c. 1370
Title:
Lord
Death:
6 Dec 1409 (age 38-39)¹

Wife: Lucy LE STRANGE

Name:
Lucy LE STRANGE
Sex:
Female
Father:
Roger LE STRANGE (c. 1325-1382)
Mother:
Aliva FITZ ALAN (c. 1325-1386)
Birth:
c. 1370
Death:
aft Apr 1398 (age 27-28)

Child 1: Thomas WILLOUGHBY

Name:
Thomas WILLOUGHBY²
Sex:
Male
Spouse:
Joan FITZALAN (1403- )
Birth:
1387
Eresby, Lincolnshire²
Death:
1435 (age 47-48)²

Child 2: Margary WILLOUGHBY

Name:
Margary WILLOUGHBY
Sex:
Female
Birth:
c. 1398

Note on Husband: William WILLOUGHBY - shared note

Year of birth is a guesstimate see AFN:9G14-L1 on Family Search

Note on Wife: Lucy LE STRANGE - shared note

Year of birth is a guesstimate Document: 739399

Sources

1.: The Church of Jesus Christ of Latter-day Saints, Ancestral File [R], (Name: Name: Name: Copyright (c) 1987, June 1998, data as of 5 January 1998;;;). AFN:9G14-L1. NAME Family History Library ADDR 35 N West Temple Street CONT SaltLake Cit CONC y, Utah 84150 USA ADDR EMAIL PHON.

2.: Ancestry.com, Web: Netherlands, GenealogieOnline Trees Index, 1000-2015, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2014;). Ancestry.com.