John, Count of Werdenberg-Sargans German count (died 1400) (d. 1400) Parents Rudolph, Count of Werdenberg-Sargans (d. 1361) Ursula of Vaz Children Kunigunde of Werdenberg-Sargans Elisabeth of Werdenberg-Sargans Henry, Count of Werdenberg-Sargans (d.1447) Partners Anna of Rhäzüns