Jacobus Wemmers was born in Antwerp, Duchy of Brabant (now Belgium), on 21 October 1598, the son of Gisbert Wemmers and Marie Hanotel.[2] He entered the Carmelite Order on 22 September 1616, and made his vows on 25 of September the following year. He showed a love of learning, and obtained a doctorate in theology.[3]
He died in Naples on 21 August 1645 ("the 12th of the calends of September"), while en route to Ethiopia.[2] He was buried in Santa Maria del Carmine, Naples, with an epitaph reading
D.O.M. Illustrissimus ac Reverendissimus Dom Fr. Jacobus Wemmers, Antverpiensis Carmelita, Mempheos Episcopus, scientiis, moribusque præclarus: gregem ardens maximè, ardores minimi facit æstivos: pro Ægypto cælum appellit: & qui Ecclesiæ multa scripsit, huic Ecclesiæ adscripsit ossa XII. kalendas septembris, anno Domini M.DC.XLV.
^ abJean-Noël Paquot, Mémoires pour servir a l'histoire littéraire des dix-sept provinces des Pays-Bas, de la principauté de Liège, et de quelques contrées voisines, vol. 5 (Leuven, University Press, 1765), pp. 230-232.
^Descriptions historiques, chronologique et géographique du duché de Brabant (Brussels, 1756), p. 251.
^New Catholic Encyclopedia, 2nd edition, vol. 5 (2003), p. 404.