See also

Jan VAN DIEDEGEM's parents: Jan Isidore VAN DIEDEGEM (c. 1295- ) and Lelia SWAEF (c. 1305-1358)
Marguerite VAN WAVER's parents: Willem MEEUWE VAN WAVER (c. 1308-c. 1344) and Margareta VAN OUDENAARDE (VAN WASSENBERG ?) DAME V (1317- )
Marguerite VAN WAVER's sister: Maria VAN WIJNEGEM (1340- )

Family of Jan II VAN DIEDEGEM and Marguerite VAN WAVER

Husband:
Jan II VAN DIEDEGEM (c. 1325-1380)
Wife:
Marguerite VAN WAVER (1333-bef1399)
Children:
Joannes III VAN DIEGHEM (c. 1340-c. 1399)
Margaretha (Margriet) VAN DIEDEGHEM (VAN DIEGHEM) (c. 1360- )
Jan III VAN DIEDEGHEM (c. 1355-c. 1399)
Marriage:

Husband: Jan II VAN DIEDEGEM

Jan II VAN DIEDEGEM

Name:
Jan II VAN DIEDEGEM
Sex:
Male
Father:
Jan Isidore VAN DIEDEGEM (c. 1295- )
Mother:
Lelia SWAEF (c. 1305-1358)
Birth:
c. 1325
Occupation:
ridder, heer van Diegem.
Death:
1380 (age 54-55)

Wife: Marguerite VAN WAVER

Name:
Marguerite VAN WAVER
Sex:
Female
Father:
Willem MEEUWE VAN WAVER (c. 1308-c. 1344)
Mother:
Margareta VAN OUDENAARDE (VAN WASSENBERG ?) DAME V (1317- )
Birth:
1333
Occupation:
Dame de Corbeek-over-Dijle
Death:
bef 30 Oct 1399 (age 65-66)

Child 1: Joannes III VAN DIEGHEM

Son: Joannes III VAN DIEGHEM

Name:
Joannes III VAN DIEGHEM
Sex:
Male
Spouse:
Maria VAN WIJNEGEM (1340- )
Birth:
c. 1340¹
Ridder, Heer van Diedegem en poorter van Brussel
Occupation:
Chevalier
Death:
c. 1399 (age 58-59)

Child 2: Margaretha (Margriet) VAN DIEDEGHEM (VAN DIEGHEM)

Daughter: Margaretha (Margriet) VAN DIEDEGHEM (VAN DIEGHEM)

Name:
Margaretha (Margriet) VAN DIEDEGHEM (VAN DIEGHEM)
Sex:
Female
Spouse (1):
Jean VAN BRECHT (1330- )
Spouse (2):
Goossens MOMMAERTS (1360- )
Birth:
c. 1360
Diegem, 1831, Vlaams-Brabant, Belgium
Birth:
1360
Occupation:
Vrouwe van Diedegem
Death:

Child 3: Jan III VAN DIEDEGHEM

Son: Jan III VAN DIEDEGHEM

Name:
Jan III VAN DIEDEGHEM
Sex:
Male
Spouse:
Maria VAN WIJNEGEM (c. 1359- )
Birth:
c. 1355
Title:
Heer van Diegem
Title:
Ridder
Occupation:
Poorter van Brussel
Death:
c. 1399 (age 43-44)

Note on Wife: Marguerite VAN WAVER

https://fmg.ac/Projects/MedLands/BRABANT,%20LOUVAIN.htm#JanMeeuwedied1317

Sources

1.: http://gw.geneanet.org/adverschoor.