Truid Gregersen Ulfstand (1487 – November 16, 1545) was a Danish nobleman, landowner, and privy council member.
[2] He was active in Norway in the 1530s during the time that the country was entering into a real union with Denmark, and was a commander in the Danish civil war known as The Count's Feud.
[2] In 1531, Ulfstand participated in the negotiations on Christian II's fate in Copenhagen before he was sent to Norway in 1532, together with Claus Bille to bring the country under King Frederick.
[5] Following Ulfstand's captivity, King Gustav I of Sweden sent an army against Halland, which began a siege of Varberg Fortress on November 10, 1534.
He now opened supported Duke Christian and he assembled a small army that besieged Varberg.