Prince Maurice of Orange the possibility of an alliance between the Dutch Republic, the Ottoman Empire, Morocco and the Moriscos, against the common enemy Spain. His book mentions the discussion for a combined offensive on Spain, as well as the religious reasons for the good relations between Islam and Protestantism at the time: Islamic studies Religious discussions also occurred. The early embassy of Hammu ben Bashi in late-1609 early-1610, led to the redaction of a polemical pamphlet about Christology entitled Inquisitio et responsio quae fuit inter Mahumetitsam et Christianum de Mesia ad intelligendum an ille sit filius Dei nec ne ("Investigation and its response, which has come about between a Muhammedan and a Christian in order to understand whether or not the Messiah is he son of God"). One of the ambassadors, Yusuf Biscaino, met with Prince Maurice of Nassau who inquired to him about Islamic opinions on Jesus. He preferred not to answer on the spot, but later sent a letter to Maurice. After returning to Marrakesh, Yusuf Biscaino sent the letter in Latin to Maurice in 1611, relying as a source on the work of Muhammad Alguazir. One of the effects of these exchanges was the remarkable development of Arabic and Islamic studies in the Netherlands, exemplified by the work of Thomas Erpenius. Thomas Epernius was able to advance his knowledge of Arabic through direct exchanges with Moroccan envoys, such as Al-Hajari. Al-Hajara had used the Treaty of Friendship in order to visit the Netherlands freely after a sojourn in France. Thomas Epernius became professor of Oriental Languages at Leiden University in 1613. Dutch embassy of 1640 A Dutch embassy led by Antonius de Liedekerke visited the king of Morocco Mohammed esh Sheikh es Seghir in 1640. The embassy was accompanied by the engraver Adriaen Matham who left numerous drawings, including an engraving of the El Badi Palace, before it was destroyed. In 1644, Michiel de Ruyter visited the coast of Morocco and traded there extensively. Diplomatic missions The Moroccan embassy is located in The Hague. The Dutch embassy is located in Rabat. 2017 diplomatic row On 25 June 2017, the Moroccan Ministry of Foreign Affairs recalled summoned its ambassador in the Netherlands as a gesture of protestation, that came after Said Chaou, a Moroccan dissident established in the Netherlands, appeared in a Facebook live video, commenting the current events in the Hirak Rif. The Moroccan side reiterated