Ralph V de Tosny

Notes:

Wikipedia
https://en.wikipedia.org/wiki/Ida_de_Tosny

Ida de Tosny, Countess of Norfolk was very likely a daughter of Ralph V de Tosny (died 1162) and his wife Margaret (born circa 1125 and living in 1185), a daughter of Robert de Beaumont, 2nd Earl of Leicester.

Wikipedia
https://en.wikipedia.org/wiki/Robert_de_Beaumont,_2nd_Earl_of_Leicester

In 1121, royal favor brought Robert the great Norman honors with his marriage to Amice de Montfort, daughter of Raoul II de Montfort, himself a son of Ralph de Gael, Earl of East Anglia. Both families had lost their English inheritances through rebellion in 1075. They had four children:

1. Hawise de Beaumont, who married William Fitz Robert, 2nd Earl of Gloucester and had descendants.

2. Robert de Beaumont, 3rd Earl of Leicester who married Petronilla de Grandmesnil and had descendants.

3. Isabel, who married: Simon de St. Liz, Earl of Huntingdon and had descendants.

4. Margaret, who married Ralph V de Toeni and had descendants through their daughter, Ida de Tosny.

Ralph married Margaret de Beaumont. Margaret (daughter of Robert de Beaumont, 2nd Earl of Leicester and Amice de Montfort) was born ca 1125; died Aft 1185. [Group Sheet]

1. Ida de Tosny, Countess of Norfolk