Noun
son of Ptolemy I and king of Egypt who was said to be responsible for the Septuagint (circa 309-247 BC)
Source: WordNetAll rulers of the Ptolemaic dynasty uninterruptedly from Ptolemy IV ( Ptolemy II married his sister but had no issue) were married to their brothers and sisters, so as to keep the Ptolemaic blood "pure" and to strengthen the line of succession. Source: Internet
VIII 309, AB 78. Donnelly Carney, Arsinoe of Egypt and Macedon: A Royal Life, pag. 142. After her death, Ptolemy II continued to refer to her on official documents, as well as supporting her coinage and cult. Source: Internet
It dates to the reign of Ptolemy II (285–246 BC), and is therefore likely to have been built at about the same time as the Alexandria Pharos. Source: Internet
King Ptolemy II Philadelphus (309–246 BC) is said to have set 500,000 scrolls as an objective for the library. Source: Internet