Catherine Arapova 
Her married name became von Leuchtenberg.
Child of Catherine Arapova and Boris Aleksandrovich Chavchavadze
- Princess Irina Borisovna Chavchavadze+ b. 23 Apr 1920, d. 10 Feb 2015
Children of Catherine Arapova and Dimitri Herzog von Leuchtenberg
- Elena Herzogin von Leuchtenberg b. 30 May 1922
- George Herzog von Leuchtenberg b. 11 Jan 1927, d. 27 Jan 1963
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
George Herzog von Leuchtenberg 
Elena Herzogin von Leuchtenberg
Andrei Herzog von Leuchtenberg

He fought in the Russian Civil War.
Constantine Herzog von Leuchtenberg 
Children of Constantine Herzog von Leuchtenberg and Princess Daria Obolensky
- Xenia Herzogin von Leuchtenberg+ b. 20 May 1930
- Olga Herzogin von Leuchtenberg+ b. 25 Apr 1932
Princess Daria Obolensky 
Children of Princess Daria Obolensky and Constantine Herzog von Leuchtenberg
- Xenia Herzogin von Leuchtenberg+ b. 20 May 1930
- Olga Herzogin von Leuchtenberg+ b. 25 Apr 1932
Xenia Herzogin von Leuchtenberg
Her married name became Grabbe.
Children of Xenia Herzogin von Leuchtenberg and Count Dimitri Grabbe
- Michael Grabbe+ b. 7 Mar 1951
- Nina Grabbe+ b. 12 Oct 1952
- Paul Grabbe b. 7 Mar 1956
- Alexis Grabbe+ b. Mar 1960
- Xenia Grabbe+ b. 16 Feb 1963
- Olga Grabbe+ b. 7 Jul 1965
- Maria Grabbe b. 7 Jul 1965
Count Dimitri Grabbe 
He was appointed Fellow, Institute of Electrical and Electronics Engineers (F.I.E.E.E.)
Children of Count Dimitri Grabbe and Xenia Herzogin von Leuchtenberg
- Michael Grabbe+ b. 7 Mar 1951
- Nina Grabbe+ b. 12 Oct 1952
- Paul Grabbe b. 7 Mar 1956
- Alexis Grabbe+ b. Mar 1960
- Xenia Grabbe+ b. 16 Feb 1963
- Olga Grabbe+ b. 7 Jul 1965
- Maria Grabbe b. 7 Jul 1965
- [S5670] Nina Shishkoff, “re: Grabbe Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 19 October 2011. Hereinafter cited as “re: Grabbe Family.”
- [S6239] Find a Grave, online http://www.findagrave.com. Hereinafter cited as Find a Grave.
Michael Grabbe
Child of Michael Grabbe and Mina Louise Nail
- Megan Jayne Grabbe1 b. 1986
- [S5670] Nina Shishkoff, “re: Grabbe Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 19 October 2011. Hereinafter cited as “re: Grabbe Family.”
Paul Grabbe
- [S5670] Nina Shishkoff, “re: Grabbe Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 19 October 2011. Hereinafter cited as “re: Grabbe Family.”
