http://agathe.gr/democracy/the_council_and_magistrates.html
The Council and the Magistrates Like selection for military service, allotment to the Council was organized according to the division by tribes; 50 members from each tribe acted as a unit in the Council ... When the estates of Alkibiades and other profaners of the Mysteries were confiscated in 415 B.C., the Poletai recorded the sale of all items, which included everything from lands and a variety of produce to numbers of slaves and all sorts of household furnishings.