— Also termed consanguineo; de consanguineo; de consanguinitate. Cf. AIEL; BESAYEL.
“[T]here is the closest possible affinity between the Mort d’Ancestor and the action of Cosinage. If I claim the seisin of my uncle, I use the one; if I claim the seisin of a first cousin, I use the other. But procedurally, the two stand far apart.” 2 Frederick Pollock & Frederic W. Maitland, History of English Law Before the Time of Edward I 569 (2d ed. 1899).