Carolus Mulerius

Carolus Mulerius (21 February 1601, Harlingen – 13 August 1638, Groningen) was a Dutch Hispanist and grammarian.

He was the son of Christina Maria Six (1566-1645) and Nicolaus Mulerius (1564-1630), who is most famous as an astronomer, but at the time was physician of the city of Harlingen. Linguae Italicae Compendiosa Institutio (1631), Linguae Gallicae Compendiosa Institutio (1634), and Een korte ende seer dienstighe onderwijsinge Vande Spaensche Tale. The last work, published posthumously in 1648, was the first grammar of Spanish written in Dutch.

He died of edema at the age of 37. The tomb stone of his grave, originally in the Broerkerk in Groningen, at the time the church of the University of Groningen, is now kept in the cellars of the Academy Building of the university.