Peerage Record – 55740

     Sonja Gratia Mackay was born on 19 September 1931.¹ She is the daughter of Reinhard Alexander Mackay and Greta Ernestina Smits.² She married Hendrik Willem Balthasar Croiset van Uchelen, son of Dr. Gerard Zeger Anthonie Croiset van Uchelen, on 11 July 1953.¹
     From 11 July 1953, her married name became Croiset van Uchelen.

     Hendrik Willem Balthasar Croiset van Uchelen is the son of Dr. Gerard Zeger Anthonie Croiset van Uchelen.² He married Sonja Gratia Mackay, daughter of Reinhard Alexander Mackay and Greta Ernestina Smits, on 11 July 1953.¹

     Eric Alexander Croiset van Uchelen was born in 1958.¹ He is the son of Hendrik Willem Balthasar Croiset van Uchelen and Sonja Gratia Mackay.²

     Helen Astrid Croiset van Uchelen was born in 1955.¹ She is the daughter of Hendrik Willem Balthasar Croiset van Uchelen and Sonja Gratia Mackay.²

     Theodoor Philip Mackay was born on 7 April 1911.¹ He was the son of Æneas Mackay and Jonkvrouwe Hermina Clasina den Beer Poortugael.² He married Zsófia Friderika Emma Reusz de Ráthony, daughter of Dr. Andor Henrik Reusz de Ráthony, on 27 November 1941.¹ He died on 16 January 2001 at age 89.¹
     He was Burgomaster.¹

     Dr. Andor Henrik Reusz de Ráthony lived at Budapest, Hungary.¹

     Zsófia Friderika Emma Reusz de Ráthony was the daughter of Dr. Andor Henrik Reusz de Ráthony.² She married Theodoor Philip Mackay, son of Æneas Mackay and Jonkvrouwe Hermina Clasina den Beer Poortugael, on 27 November 1941.¹ She died on 20 March 1999.¹
     From 27 November 1941, her married name became Mackay.

     Æneas Mackay was born on 28 August 1942.¹ He is the son of Theodoor Philip Mackay and Zsófia Friderika Emma Reusz de Ráthony.² He married Yvonne Marie-Blanche Wyers, daughter of Frans Wyers, in 1975.¹
     He lived in 2003 at Jndustrieweg 10/10A, Loosdrecht, The Netherlands.¹