Hartmann, Count of Werdenberg-Vaduz German count; bishop of the Roman Catholic Church (1400–1416) Parents Hartmann, Count of Werdenberg-Sargans (d.1355) Agnes of Montfort-Feldkirch, Countess of Werdenberg-Sargans Children Siblings Wolfhart IV von Brandis Rudolph, Count of Werdenberg-Vaduz (d.1367) Henry, Count of Werdenberg-Vaduz (d.1397)