2024-03-28T14:37:19+00:00https://finds.org.uk/medievalcoins/rulers/ruler/id/507/format/jsonhttps://finds.org.uk/medievalcoins/rulers/ruler/id/507/format/xmlhttps://finds.org.uk/medievalcoins/rulers/ruler/id/507507John I count of Louvain, lord of Herstal12851309