On April 21, 1618 Pedro Paez visited the small spring where the waters of the Blue Nile rise before passing through Lake Tana. The site had been seen before by the military leader of the group of Ethio-Portuguese descendants of the Portuguese soldiers who had helped the Christian kingdom in the wars of 1541-1543, who passed the news to the missionaries shortly before 1607. In both cases the Ethiopian kings, Sarsa Dengel and Susenyos, took them to the sources, showing that the local population had a clear knowledge of the river course. Paez was the first European who described all its characteristics, occupying a complete chapter of his “History of Ethiopia”. Although this book was not published until the 20th century, the manuscript was copied and the information was incorporated into the global knowledge before the end of the 17th century, through the works of the German Jesuit Athanasius Kircher and the maps of the Venetian geographer, Vincenzo Coronelli. In this way, a problem that had intrigued travellers, geographers and historians since antiquity was solved. The next European who visited the place was the Scottish James Bruce in 1770, and the sources in Lake Victoria of the other large arm of the river, the White Nile, were not discovered until two and a half centuries later, with the travels of the English John Hanning Speke in 1858-1862.

中文翻译：

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“伟大的亚历山大和著名的朱利叶斯凯撒非常想看到什么”。纪念西班牙耶稣会士佩德罗·帕埃斯·夏拉米洛 (Pedro Páez Xaramillo) 发现青尼罗河源头四百年（1618 年 4 月 21 日）

1618 年 4 月 21 日，佩德罗·佩兹 (Pedro Paez) 参观了青尼罗河水在穿过塔纳湖之前上升的小泉水。在 1541 年至 1543 年的战争中帮助过基督教王国的葡萄牙士兵的埃塞俄比亚 - 葡萄牙后裔团体的军事领导人之前曾看到该网站，他们在 1607 年之前不久将消息传递给传教士。埃塞俄比亚国王萨尔萨·登格尔 (Sarsa Dengel) 和苏塞尼奥斯 (Susenyos) 将他们带到了源头，表明当地居民对河道有清楚的了解。Paez 是第一个描述其所有特征的欧洲人，在他的“埃塞俄比亚历史”中占据了完整的一章。虽然这本书直到 20 世纪才出版，但在 17 世纪末之前，手稿被抄袭并将信息纳入全球知识，通过德国耶稣会士 Athanasius Kircher 的作品和威尼斯地理学家 Vincenzo Coronelli 的地图。通过这种方式，一个自古以来就吸引着旅行者、地理学家和历史学家的问题得到了解决。下一个到访这个地方的欧洲人是 1770 年的苏格兰詹姆斯布鲁斯，而维多利亚湖的另一条大河白尼罗河的源头直到两个半世纪后才被发现，随着1858 年至 1862 年，英国约翰·汉宁·斯皮克 (John Hanning Speke)。