One of the most mysterious, antique moarning signs in Fryslân is the epitaph of Hobbe Van Aylva (van Alva) in the John the Baptist Church of Hylaard. An epitaph is placed on the wall.
See more: https://www.omropfryslan.nl/nieuws/890297-epitaaf-van-van-aylva-hilaard-bijzonder-gedenkteken