Friedrich's mother was from England and died in a shipwreck off the coast of Germany.
Upon the death of Lothair Udo III in 1106, the title of Margrave of the Nordmark went to his brother Rudolf I.
After the Battle of Welfesholz, with no further help expected from the emperor, Lothar proved a good ally, and his role as count assured.
Upon his death in 1128, Friedrich was officially invested by Archbishop Adalbero of Bremen with the County of Stade.
In: Allgemeine Deutsche Biographie, Duncker & Humblot, Leipzig 1878 Hucke, Richard, Friedrich, Graf von Stade.