Baron Friedrich von Stuart (1761-1842) was a Courland nobleman and landowner [1] [2]. He was married to Henrietta Kant, a niece of Immanuel Kant [3].
They are an ancestors of Count Eric Stenbock, ambassador Henning von Wistinghausen[4], Baron Dmitri Stuart, an ambassador of Russia to Roumenia and Denmark and Renars Kaupers.