Adelaide of Habsburg-Laufenburg German countess (d. 1370) Parents Johann I Agnes von Werd Children Rudolph, Count of Montfort-Tettnang Henry, Count of Montfort-Tettnang (d.1397) William, Count of Montfort-Tettnang Siblings Rudolf IV. Elisabeth von Habsburg-Laufenburg Gottfried II von Habsburg-Laufenburg Johann II Partners Henry, Count of Montfort-Tettnang (d.1408)