Count Alfred Tyszkiewicz 
Child of Count Alfred Tyszkiewicz and Princess Elizabeth Radziwill
- Count Jan Tyszkiewicz b. 24 Nov 1917
Wladimir Zeromski 
Child of Wladimir Zeromski and Princess Elizabeth Radziwill
- Jadwiga Zeromska b. 17 Dec 1934
Count Jan Tyszkiewicz
Jadwiga Zeromska
Maciej Morawski
Prince Stanislaw Radziwill

He fought in the Russian Civil War.
Child of Prince Stanislaw Radziwill and Princess Dolores Radziwill
- Princess Anna Maria Radziwill+ b. 2 Oct 1907, d. 1 Jun 1995
Princess Dolores Radziwill 
Child of Princess Dolores Radziwill and Prince Stanislaw Radziwill
- Princess Anna Maria Radziwill+ b. 2 Oct 1907, d. 1 Jun 1995
Princess Anna Maria Radziwill 
Her married name became de Maillé de la Tour-Landry.
Children of Princess Anna Maria Radziwill and Gilles de Maillé de la Tour-Landry, Duc de Maillé
- Jeanne Marie de Maillé de la Tour-Landry+ b. 26 Mar 1929
- Jacquelin de Maillé de la Tour-Landry, Marquis de Maillé b. 9 Jul 1931, d. 21 Mar 1955
- Stanislaus de Maillé de la Tour-Landry, Duc de Maillé+ b. 3 Apr 1946, d. 15 Jan 1996
Gilles de Maillé de la Tour-Landry, Duc de Maillé 
He gained the title of Duc de Maillé.
Children of Gilles de Maillé de la Tour-Landry, Duc de Maillé and Princess Anna Maria Radziwill
- Jeanne Marie de Maillé de la Tour-Landry+ b. 26 Mar 1929
- Jacquelin de Maillé de la Tour-Landry, Marquis de Maillé b. 9 Jul 1931, d. 21 Mar 1955
- Stanislaus de Maillé de la Tour-Landry, Duc de Maillé+ b. 3 Apr 1946, d. 15 Jan 1996
Jacquelin de Maillé de la Tour-Landry, Marquis de Maillé 
He gained the title of Marquis de Maillé.
