Peerage Record – 55757

     Nicoline Engelvaart was the daughter of General unknown Engelvaart.² She married Willem Karel Mackay, son of John Francis Hendrik Jacob Ernestus Mackay and Baroness Margaretha Clara Frances van Lynden, on 13 September 1869.¹ She died on 2 February 1905.¹
     From 13 September 1869, her married name became Mackay.

     Barthold Mackay was born on 14 May 1871.¹ He was the son of Willem Karel Mackay and Nicoline Engelvaart.² He married Jonkvrouwe Alpheda Louise van der Wyck, daughter of Jonkheer Cornelis Charles van der Wyck, on 17 February 1898.¹ He and Jonkvrouwe Alpheda Louise van der Wyck were divorced in 1928.¹ He died on 23 November 1945 at age 74.¹

     Jonkvrouwe Alpheda Louise van der Wyck was the daughter of Jonkheer Cornelis Charles van der Wyck.² She married Barthold Mackay, son of Willem Karel Mackay and Nicoline Engelvaart, on 17 February 1898.¹ She and Barthold Mackay were divorced in 1928.¹ She died on 18 March 1935.¹
     From 17 February 1898, her married name became Mackay.

     William Mackay was born on 21 July 1901.¹ He was the son of Barthold Mackay and Jonkvrouwe Alpheda Louise van der Wyck.² He died on 24 June 1934 at age 32, unmarried.¹

     Justine Cornelia Mackay was born on 17 November 1898.¹ She was the daughter of Barthold Mackay and Jonkvrouwe Alpheda Louise van der Wyck.² She married Marie Jacob Hendrik de Bruyn van Melis-en-Mariekerke, son of Willem Hendrik de Bruyn van Melis-en-Mariekerke, on 26 May 1925.¹ She died on 19 April 1981 at age 82.¹
     Her married name became Melis-en-Mariekerke.

     Marie Jacob Hendrik de Bruyn van Melis-en-Mariekerke was the son of Willem Hendrik de Bruyn van Melis-en-Mariekerke.² He married Justine Cornelia Mackay, daughter of Barthold Mackay and Jonkvrouwe Alpheda Louise van der Wyck, on 26 May 1925.¹ He died on 8 March 1964.¹
     He was Secretary of the High Court of Nobility.¹

     Catharina Wilhelmina Adrienne Mackay was born on 2 May 1905.¹ She was the daughter of Barthold Mackay and Jonkvrouwe Alpheda Louise van der Wyck.² She married, firstly, Lambertus Hendrik Slotemaker, son of Dr. Albert Willem Slotemaker, on 22 September 1927.¹ She and Lambertus Hendrik Slotemaker were divorced in 1940.¹ She married, secondly, Abraham Antonius Ammerlaan, son of Abraham Ammerlaan, on 17 May 1949.² She and Abraham Antonius Ammerlaan were divorced in 1962.² She died on 18 December 1991 at age 86.¹
     From 22 September 1927, her married name became Slotemaker. From 17 May 1949, her married name became Ammerlaan.²