Diogo da Rocha

Diogo da Rocha was a captain who sailed for the Portuguese in 1525. He is credited as being the first to encounter the islands "to the Eastwards of Mindanao, and the islands of St. Lazarus" ( Ulithi in the Caroline Islands ).^[1][2]

References

1. Burney, James (1803). A Chronological History of the Discoveries in the South Sea or Pacific Ocean; Illustrated with Charts: Commencing with an account of the earliest discovery of that sea by Europeans, and terminating with the voyage of Sir Franicis Drake, in 1579. Luke Hansard. p. 146. Diogo da Rocha.
2. Lessa, William A. "The Portuguese Discovery of the Isles of Sequeira" (PDF). Micronesica vol.11 no.1 July 1975 pages 35-70.