Sybridae
Sybridae or Sybridai was a deme of ancient Attica , of the "phyle" of Erechtheis , sending one delegate every two years , to the Athenian Boule , with Pambotadae sending its delegate in lieu of Sybridae in intervening years . 
<triplet> Erechtheis <subj> phyle <obj> instance of <subj> Pambotadae <obj> contains administrative territorial entity <triplet> Pambotadae <subj> deme <obj> instance of <subj> Erechtheis <obj> located in the administrative territorial entity