Church of St Laurence, Upminster Church of St Laurence, Upminster The church of St Laurence, Upminster, is the Church of England parish church in Upminster, England. It is a Grade I listed building. It is the historic minster or church from which Upminster derives its name, meaning 'upper church', probably signifying 'church on higher ground'. The place-name is first attested as 'Upmynster' in 1062, and appears as 'Upmunstra' in the Domesday Book of 1086. Alice Perrers, mistress of King Edward III, was buried in the church or churchyard in 1400. There is no memorial to mark her grave. She had three illegitimate children by the
Alice of Ibelin Lusignan (died 1395/97), titular Count of Tripoli, who married his first cousin Marguerite of Cyprus and had five children. Phoebus de Lusignan was Alice's great-grandson as an illegitimate son of Jacques' son, Pierre. It was through Phoebus that Alice's direct line continued. Alice's husband had an illegitimate son, Jean by his mistress Alix Gibelet. She died sometime after 1374. Alice of Ibelin Alice of Ibelin or Alix d'Ibelin (1325/1330 – after 1374) was the titular Princess of Antioch as the second wife of John of Lusignan. Alice was born between 1325 and 1330, the eldest daughter of Guy of Ibelin,