Elisabeth Anne de Massy1
From 19 January 1974, her married name became Taubert Natta.1 From 18 October 1984, her married name became Costello.1
Children of Elisabeth Anne de Massy and Bernard Alexandre Baron Taubert Natta
- Jean-Léonard Baron Taubert Natta1 b. 3 Jun 1974
- Mélanie de Lusignan Taubert Natta1 b. 18 Jan 1985
Bernard Alexandre Baron Taubert Natta1 
Children of Bernard Alexandre Baron Taubert Natta and Elisabeth Anne de Massy
- Jean-Léonard Baron Taubert Natta1 b. 3 Jun 1974
- Mélanie de Lusignan Taubert Natta1 b. 18 Jan 1985
Nicolai Vladimir Costello dit de Lusignan1
Mélanie de Lusignan Taubert Natta1
Jean-Léonard Baron Taubert Natta1
Jonkheer Thomas de Brouwer1
Children of Jonkheer Thomas de Brouwer and Baronne Ludwine de Fierlant Dormer
- Jonkvrouw Hermine de Brouwer3 b. 2001
- Jonkvrouw Lillah de Brouwer3 b. 2003
Children of Jonkheer Thomas de Brouwer and Laetitia de Massy y Quintana
- Jonkvrouw Rose de Brouwer1 b. 2008
- Jonkheer Sylvestre de Brouwer1 b. 2008
- [S3182] Isabelle Maltais, “re: van Oranje-Nassau,” e-mail message to BENR, 6 June 2008. Hereinafter cited as “re: van Oranje-Nassau.”
- [S6991] Netty Leistra, “re: de Brouwer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 22 January 2014. Hereinafter cited as “re: de Brouwer Family.”
- [S6009] Thomas de Brouwer, “re: de Massy Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 1 May 2012. Hereinafter cited as “re: de Massy Family.”
Jonkvrouw Rose de Brouwer1
Jonkheer Sylvestre de Brouwer1
Brice Souleyman Gelabale-de Massy1
- [S3182] Isabelle Maltais, “re: van Oranje-Nassau,” e-mail message to BENR, 6 June 2008. Hereinafter cited as “re: van Oranje-Nassau.”
- [S5359] Maria Tracy, “re: Massy Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 11 May 2011. Hereinafter cited as “re: Massy Family.”
Antoine de Massy1
- [S3182] Isabelle Maltais, “re: van Oranje-Nassau,” e-mail message to BENR, 6 June 2008. Hereinafter cited as “re: van Oranje-Nassau.”
- [S5359] Maria Tracy, “re: Massy Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 11 May 2011. Hereinafter cited as “re: Massy Family.”