 Gotthard transferred monastic fiefs to his brothers Peter, Johann and Rudolf and provided his father with the dominion Wängi in the Canton of Thurgau.The Abbey of Saint Gall bought the dominion Glattburg in 1486.Gotthard from the family von Glattburg is first attested as conventual in the Abbey of Saint Gall in 1489; in 1490 he held the office of governor in Wil.