List of bishops of the Roman Catholic Diocese of Sion:
Philippe de Platea (not recognised locally)
Coat of arms of Hildebrand of Riedmatten (1594). The prince-bishops used their family coats of arms; the
Riedmatten
coat of arms was in use for much of the early modern period (1529–1545, 1565–1613, 1640–1701) and is presented as coat of arms of the bishopric in e.g.
Siebmacher (1605)
.
