- This article deals with the 12<sup>th</sup> century Knight Templar. For the 16<sup>th</sup> century Huguenot, see Philippe de Mornay.
Phillipe de Plessis (1165–1209) was the 13th Grand Master of the
Knights Templar. He was born in the fortress of Plessis-Macé,
Anjou,
France. In 1189 he joined the
Third Crusade as a simple knight, and discovered the
Order of the Temple in
Palestine. After the death of
Gilbert Horal he became Grand Master. He helped uphold the treaty between
Saladin and
Richard I. In the renewal of this treaty in 1208 he suggested that the
Teutonic Order and
Hospitallers should make a new peace treaty offer with
Malek-Adel. The accord was criticised by
Pope Innocent III.
There were few military actions during his rule; the
Fourth Crusade never arrived in the Holy Land. The German King was in opposition to the Knights regarding the
Gastein stronghold. The Templars were initially expelled from Germany, but the pope intervened in the dispute.
Relations with the Hospitaliers were tense. During his rule the Order of the Temple reached its greatest height in
Europe.
His name is last documented in 1209. The
Obituary of Reims gives the date of his death as November 12, 1209.
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