Logbasis a citizen of Selge in Pisidia

Pisidia

Pisidia was a region of ancient Asia Minor located north of Lycia, and bordering Caria, Lydia, Phrygia and Pamphylia. It corresponds roughly to the modern-day province of Antalya in Turkey...

 (today part of Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

). When Selge was attacked by Garsyeris, the general of Achaeus

Achaeus (general)

Achaeus was a general and later a separatist ruler of part of the Greek Seleucid kingdom. He was the son of Andromachus, whose sister Laodice II, married Seleucus Callinicus, the father of Antiochus III the Great. Achaeus himself married Laodice of Pontus, one of the daughters to Laodice and...

, in 218 BC, Logbasis, as having been guardian to Achaeus' wife Laodice

Laodice of Pontus

Laodice , was a Princess of Pontus and was one of the daughters of Mithridates II of Pontus and Laodice. She sister was Laodice III the first wife of Antiochus III the Great and her brother was Mithridates III of Pontus. She married her distant maternal cousin the Seleucid general Achaeus...

, was deputed by his countrymen to treat with the enemy, and used the opportunity to make a treacherous agreement for the surrender of the city. His design, however, was detected on the very eve of its completion, and his fellow-citizens burst into his house, and slew him, together with his sons and the enemy's soldiers who were secreted there.