By his beloved consort Ulrica Leonora of Denmark, from the shock of whose death in July 1693 he never recovered, he had seven children, of whom only three survived him, a son Charles, and two daughters, Hedwig Sophia, duchess of Holstein, and Ulrica Leonora, who ultimately succeeded her brother on the Swedish throne.
During this period of diplomatic work he acquired an exceptional knowledge of the affairs of Europe, and in particular of Germany, and displayed great tact and temper in dealing with the Swedish senate, with Queen Ulrica, with the king of Denmark and Frederick William I.
and Ulrica Leonora, daughter of Frederick III.
Disappointed of this last hope, and moved by the despairing appeals of his sister Ulrica and the senate to return to Sweden while there was still a Sweden to return to, he quitted Demotika on the 20th of September 1714, and attended by a single squire arrived unexpectedly at midnight, on the 11th of November, at Stralsund, which, excepting Wismar, was now all that remained to him on German soil.
OLAF WALLQVIST (1755-1800), Swedish statesman and ecclesiastic, was ordained in 1776, became doctor of philosophy in 1779, court preacher to Queen Louisa Ulrica in 1780, and bishop of Vexio in 1787.