FORBES, Youngest Daughter ¹

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Youngest married Dr William JOHNSTON Professor of Mathematics, Marischal College, son of George JOHNSTON of that Ilk and Christian FORBES.¹ (Dr William JOHNSTON Professor of Mathematics, Marischal College was born about 1590 and died in June 1640 ².)

  Marriage Notes:

William Johnston was the sixth and youngest son of George Johnston of that Ilk, by the Honourable Christian Forbes. He, as well as his immediate elder brother, Arthur, studied at Marischal College. William afterwards taught philosophy at the University of Sedan, in Germany, and from thence returning to his native country was, anno 1626, appointed the first Professor of Mathematics in the University of Marischal College, Aberdeen, which chair he occupied until his death. He married the fifth and youngest daughter of Abraham Forbes of Blacktoune, in Aberdeenshire, a cadet of the noble family of Forbes and by this lady had one son and two daughters"

from Family of Johnston of that Ilk ¹