Otto Didrik Schack, 7th Count of Schackenborg

Otto Didrik Schack, Count of Schackenborg (3 October 1810 – 26 July 1856) was a Danish aristocrat.

[1] Otto Didrik Schack was born on 3 October 1810 at Astrupgaard near Brøns in the Duchy of Schleswig.

[2] At the death of his father on 4 April 1814, he inherited the Countship of Schackenborg and assumed the title of enfeoffed count.

[1][3] Count Schack married firstly on 15 May 1842 in Tønder Friederike Rosine Juliane von Krogh, daughter of aristocrat and amtmann Frederik Christian von Krogh and countess Cornelia Sophie Lerche, by whom he had one son.

[2] Count Schack married secondly on 5 June 1856 in Dänischenhagen Johanne Christiane Cornelia von Krogh, sister of his first wife.