Claim: Prior to 2018 the village of Jelsum was part of the Leeuwarderadeel municipality, but is now in the Leeuwarden municipality in the Friesland province.
Evidence: Jelsum is a village in Leeuwarden municipality in the province of Friesland, the Netherlands. Before 2018, the village was part of the Leeuwarderadeel municipality. 
Friesland Friesland Leeuwarden Leeuwarden Before 2018, the village was part of the Leeuwarderadeel municipality.