Jan III van Montfoort (or Johan van Montfoort), (c. 1448 – 28 March 1522) was Viscount of Montfoort, Lord of Zuid-Polsbroek, Lord of Purmerend-Purmerland, and a leader of the Hook Party in the

Bishopric of Utrecht The Bishopric of Utrecht ( nl, Sticht Utrecht) was an ecclesiastical principality of the Holy Roman Empire in the Low Countries, in the present-day Netherlands. From 1024 to 1528, as one of the prince-bishoprics of the Holy Roman Empire, it w ...

. He was the son of Henry IV van Montfoort and Margretha van Croy.
Jan van Montfoort opposed the Burgundian rule of the Utrecht in the person of Bishop David of Burgundy. This led to the

First Utrecht Civil War First or 1st is the ordinal form of the number one (#1). First or 1st may also refer to: *World record, specifically the first instance of a particular achievement Arts and media Music * 1$T, American rapper, singer-songwriter, DJ, and reco ...

between 1470–1474 and the

Second Utrecht Civil War The second (symbol: s) is the unit of time in the International System of Units (SI), historically defined as of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds eac ...

between 1481–1483. After the

Siege of Utrecht (1483) The siege of Utrecht took place between June 23 and August 31, 1483 as part of the Hook and Cod wars and the Second Utrecht Civil War. Prelude The Burgundians had tried to control the Bishopric of Utrecht since 1456, when David of Burgundy had ...

peace was concluded but Jan van Montfoort lost his Fiefs of Purmerend-Purmerland and Zuid-Polsbroek, which were confiscated and given to nobles close to Maximilian of Austria.
Van Montfoort supported

Frans van Brederode Frans van Brederode (February 4, 1465 – August 11, 1490) was a rebel in Holland against the rule of emperor Maximilian, father and regent of Duke Philip the Handsome of Burgundy. Duke Philip was Count of Holland - Brederode belonged to the Hoo ...

during his failed rebellion between 1488–1490. Van Montfoort died in 1522 and was buried in the church of

Montfoort Montfoort () is a municipality and a city in the Netherlands, in the province of Utrecht. Montfoort received city rights in 1329. Population centres The municipality of Montfoort consists of the following cities, towns, villages and/or district ...

Marriage and children

Jan married on 16 December 1475 with Wilhelmina van Naaldwijk. They had: * Zweder van Montfoort (1471/72 – before 1500) one of the leaders of the 1488–1490 rebellion. * Machteld van Montfoort (1475–1550) * Barbara van Montfoort (1480–1527), married

Maximilian of Horne Maximilian, Maximillian or Maximiliaan (Maximilien in French) is a male given name. The name " Max" is considered a shortening of "Maximilian" as well as of several other names. List of people Monarchs *Maximilian I, Holy Roman Emperor (1459� ...

, Lord of Gaasbeek, Knight in the Order of the Golden Fleece. Jan remarried on 12 June 1509 with Charlotte van Brederode, and had: * Joost van Montfoort (1510–1539), married Anna van Lalaing (1509–1602) * Hendrik V van Montfoort (1512–1555), married Anna van Glymes van Bergen (1525–1545), daughter of

Anton of Glymes Anthony of Glymes or Anton van Bergen, Lord of Grimbergen, Count of Walhain (1500–1541) was the 1st Margrave of Bergen (op Zoom). Family Anthony was the son of John III of Glymes and a grandson of Guy of Brimeu. He was the uncle of Philip II, ...

, Knight in the Order of the Golden Fleece. File:Monftoort- Trap kasteelen.JPG, Montfoort castle File:Wilhelmina van Naaldwijk.jpg, Wilhelmina van Naaldwijk,first wife of Jan van Montfoort {{DEFAULTSORT:Montfoort, Jan 3 1440s births 1522 deaths Dutch nobility People from Montfoort