The Protestant missionary activity in south India was first started in the Danish settlement at Tranquebar. The first missionaries of the Royal Danish mission, Ziegenbalg and plustschau both Germans, arrived in Tranquebar in 1706 and started their work. Ziezenbalg built the beautiful Jerusalem Church in Tranqubar. Towards the end of the 17th-century Anglican missionary society took great interest in the Danish Royal mission and information about it was published in English from time to time. The S.P.C.K. decided to support the new mission at Madras started by Schultz. The most famous of the S.P.C.K. missionaries was Christian Frederick Schwartz, who worked at first with the Danish Royal mission at Tranquebar and then with the S.P.C.K. at Trichirappalli and Tanjore.