Senegonda de Toulouse - Parentage ?????

You
→ Robert Wood Johnson, III
your father → General Robert Wood Johnson, II
his father → Robert Wood Johnson, I
his father → Sylvester Johnson, III
his father → Stephen Johnson
his father → Sylvester Johnson
his father → Captain Joseph Johnson, Jr.
his father → Joseph Johnson
his father → Isaac Johnson Jr., of Roxbury MA and Middletown CT
his father → Captain Isaac Johnson
his father → Mary Johnson
his mother → Agnes Heath
her mother → Lord Robert Lord Cheney, III
her father → Robert Cheney, II
his father → Robert Cheney, I
his father → Eleanor Cheney
his mother → Edith Shottesbroke
her mother → Sir John Stourton, Kt., of Stourton & Preston
her father → John de Stourton
his father → Jane Stourton
his mother → Juliana Vernon
her mother → Agnes Vescy, the elder
her mother → William de Ferrers, III, 5th Earl of Derby, Constable of Bolsover Castle
her father → Sir William de Ferrers, 4th Earl of Derby
his father → William de Ferrers, 3rd Earl of Derby
his father → Margaret Peverel
his mother → Avice Peverell, Countess Lancaster & Nottingham
her mother → Almodis, Comtesse de La Marche
her mother → Aldebert II, comte de la Marche
her father → Bernard I, comte de la Marche
his father → Audebert I, comte de la Marche
his father → Emma de Périgord
his mother → Regilinde
her mother → Raymond I, comte de Toulouse
her father → Senegonda de Toulouse
his mother → Fredelòn, Count of Toulouse
her father → Berthe of Rouergue
his mother

I have understood that parent are Fredelòn, Count of Toulouse ja Aude de Gellone. They have been cut as parents for some reason, maybe not backed with strong sources enough.