http://agathe.gr/democracy/political_organization_of_attica.html
Political Organization of Attica: Demes and Tribal Representation Each tribe was divided into three parts, and each third (trittys) was from one of the three regions of Attica, plain, coast, or hills ... The five members and two secretaries of the metronomi are listed by name, patronymic (father's name), and deme and indicate that the seven came from seven different tribes: The metronomoi when Archelaos was Archon: Demostratos from Hestiaia Aristokrates from Angele Apollodoros son of Apollonios from Lamptrai Theodotos from Ekale Eratymenes from Oinoe and the allotted secretary: Nikias son of Philo from Kydathenaion and the elected secretary: Herakleitos son Timotheos from Krio gave over the following weights and measures ...