Princess Eufemia Radziwill 
Her married name became Rzyszczewski.
Children of Princess Eufemia Radziwill and Count Michal Rzyszczewski
- Count Leon Rzyszczewski b. 15 Oct 1874, d. Apr 1954
- Count Antoni Rzyszczewski+ b. 9 Jan 1876, d. 17 Jun 1954
- Countess Eva Rzyszczewski b. 24 Dec 1876, d. 24 Jan 1965
- Countess Eufemia Rzyszczewski b. 29 Nov 1877, d. 24 Nov 1954
Count Michal Rzyszczewski 
Children of Count Michal Rzyszczewski and Princess Eufemia Radziwill
- Count Leon Rzyszczewski b. 15 Oct 1874, d. Apr 1954
- Count Antoni Rzyszczewski+ b. 9 Jan 1876, d. 17 Jun 1954
- Countess Eva Rzyszczewski b. 24 Dec 1876, d. 24 Jan 1965
- Countess Eufemia Rzyszczewski b. 29 Nov 1877, d. 24 Nov 1954
Count Leon Rzyszczewski 
Count Antoni Rzyszczewski 
Child of Count Antoni Rzyszczewski and Ernestine Dentler
- Countess Octavia Rzyszczewski+ b. 22 Apr 1907
Ernestine Dentler
Child of Ernestine Dentler and Count Antoni Rzyszczewski
- Countess Octavia Rzyszczewski+ b. 22 Apr 1907
Countess Octavia Rzyszczewski
Children of Countess Octavia Rzyszczewski and Ettore Manzolini di Campoleone
- Eleonore Manzolini b. 6 Nov 1944
- Sonia Manzolini b. 6 Jun 1946
- Letitia Manzolini b. 17 Sep 1947
Ettore Manzolini di Campoleone 
Children of Ettore Manzolini di Campoleone and Countess Octavia Rzyszczewski
- Eleonore Manzolini b. 6 Nov 1944
- Sonia Manzolini b. 6 Jun 1946
- Letitia Manzolini b. 17 Sep 1947
Eleonore Manzolini
Sonia Manzolini
Letitia Manzolini
