Count Eugene Tyszkiewicz 
Children of Count Eugene Tyszkiewicz and Olga von Reutern
- Countess Alice Tyszkiewicz+ b. 9 Oct 1928
- Countess Marie-Christine Tyszkiewicz b. 25 Feb 1930
- Countess Clementine Tyszkiewicz+ b. 18 Nov 1933
- Count Eugene Tyszkiewicz b. 14 Nov 1935
- Countess Olga Tyszkiewicz+ b. 14 Nov 1935
Count Eugene Tyszkiewicz
Margaret Pegram Holt
Her married name became Tyszkiewicz.
Irine Stroukov
Her married name became Nako.
Albert Bela Vavy Nako 
Countess Alice Tyszkiewicz1
Her married name became Lagerstrom.
Children of Countess Alice Tyszkiewicz and Kjell Lagerstrom
- Susanne Lagerstrom b. 1 Jan 1956
- Barbara Lagerstrom+ b. 10 Mar 1959
- [S1369] Susanne Lagerstrom, “re: Tyszliewicz Family,” e-mail message to British and European Nobility Register, 7 July 2005. Hereinafter cited as “re: Tyszliewicz Family.”
Kjell Lagerstrom
Children of Kjell Lagerstrom and Countess Alice Tyszkiewicz
- Susanne Lagerstrom1 b. 1 Jan 1956
- Barbara Lagerstrom+1 b. 10 Mar 1959
- [S1369] Susanne Lagerstrom, “re: Tyszliewicz Family,” e-mail message to British and European Nobility Register, 7 July 2005. Hereinafter cited as “re: Tyszliewicz Family.”
Susanne Lagerstrom1
- [S1369] Susanne Lagerstrom, “re: Tyszliewicz Family,” e-mail message to British and European Nobility Register, 7 July 2005. Hereinafter cited as “re: Tyszliewicz Family.”
Barbara Lagerstrom1
Her married name became Westbladh.1 Her married name became Pellen.
Child of Barbara Lagerstrom and Sam Westbladh
- Michelle Westbladh1 b. 16 Feb 1991
- [S1369] Susanne Lagerstrom, “re: Tyszliewicz Family,” e-mail message to British and European Nobility Register, 7 July 2005. Hereinafter cited as “re: Tyszliewicz Family.”
Stefan Jan Lennart Pellen
- [S1369] Susanne Lagerstrom, “re: Tyszliewicz Family,” e-mail message to British and European Nobility Register, 7 July 2005. Hereinafter cited as “re: Tyszliewicz Family.”
