‎man Rainier III Longhals Hainault‏‎, son of Rainer II Count of Hainault and Adelaide of Burgundy‏.
Born ‎± 924 at Hainault,Belgique, died ‎ 973‎, approximately 49 years
Name Suffix: Count of

Married ‎± 947 (approximately 14 years married) to:

‎woman Adelaide of Toxandrie Louvain‏‎, daughter of Lambert, Count of Ringelheim and Betuwe‏. Adoption parents: Hugh Equisheim Count of , Count of and N.N.
Born ‎± 929, died ‎ 961‎, approximately 32 years
Name Suffix: Countess of

Children:

1.
‎man Rainer IV Count of Hainault‏‎
Born ‎± 950 at Hainault,Belgique, died ‎± 1040 at 1013‎, approximately 90 years
Name Suffix: Count of
2.
‎man Lambert I "le Barbu" Louvain Count of , Count of‏‎
Born ‎± 952 at Louvain,Brabant,France, died ‎ 1015 at Florennes,Belgium‎, approximately 63 years
Name Suffix: Count of