Maria Alreu1
Child of Maria Alreu and Carlos O’Donnell
- Carlos O’Donnell, 2° Duque de Tetuan+2 b. 1834, d. 1903
Carlos O’Donnell, 2° Duque de Tetuan1 
He gained the title of Marqués de Altamira. He succeeded as the 2° Duque de Tetuan. He was Minister of Foreign Affairs.1 He held the office of Spanish Ambassador to Austria.1
Children of Carlos O’Donnell, 2° Duque de Tetuan and Maria Vargas
Maria Vargas1
From 1861, her married name became O’Donnell.
Children of Maria Vargas and Carlos O’Donnell, 2° Duque de Tetuan
Juan O’Donnell, 3° Duque de Tetuan1 
He gained the rank of Lieutenant-General of Cavalry.1 He held the office of Minister of War [Spain].1 He succeeded as the 3° Duque de Tetuan in 1903.1
Children of Juan O’Donnell, 3° Duque de Tetuan
- Juan O’Donnell, 4° Duque de Tetuan2 b. 1898, d. 1932
- Blanca O’Donnell, 5° Duquesa de Tetuan2 b. 1899, d. 1952
Juan O’Donnell, 4° Duque de Tetuan1 
He succeeded as the 4° Duque de Tetuan in 1928.1
Blanca O’Donnell, 5° Duquesa de Tetuan1 
She succeeded as the 5° Duquesa de Tetuan in 1932.1
Carlos Luis O’Donnell1 
Leopoldo O’Donnell1 
Children of Leopoldo O’Donnell
Leopoldo O’Donnell, 6° Duque de Tetuan1
He succeeded as the 6° Duque de Tetuan in 1952. He was awarded the honorary degree of Doctor of Law (LL.D.) by National University of Ireland, Dublin, County Dublin, IrelandG, in 1956.1 He lived in 2003 at Moratin 52, Madrid, Spain.1
Child of Leopoldo O’Donnell, 6° Duque de Tetuan and Consuelo (?)
- Hugo O’Donnell, Conde de Lucena+2 b. 1948
Consuelo (?)1
Her married name became O’Donnell.
Child of Consuelo (?) and Leopoldo O’Donnell, 6° Duque de Tetuan
- Hugo O’Donnell, Conde de Lucena+2 b. 1948
