Phineas Greentree was a Grayson citizen and an officer of the Grayson Space Navy. By 1922 PD, he had two wives, Elsabeta and Annette Marie Greentree. He was also related by marriage to fellow officer Matheson Ayres. He served exceptionally in the Protector's Own, and was eventually requested for transfer to a command in the regular navy, serving as commanding officer of GNS Manasseh (DD-12) in the early 1920s PD. (HHA6.5: OS)