DAISAN, 1Es_5:31 = Rezin, Ezr_2:48, Neh_7:50. The form in 1 Es. is due to confusion of Heb. r and l.
Hastings' Dictionary of the Bible
Edited by James Hastings, D.D. Published in 1909
dā?san, dā?i-san (Δαισάν, Daisán): Head of a family of temple servants (1 Esdras 5:3:1) called Rezin in Ezr_2:48; Neh_7:50, the interchange of ?D? and ?R? in Hebrew being not uncommon.
International Standard Bible Encyclopedia
PRINTER 1915.
Daisan
(Δαισάν v. r. Δεσάν, Vulg. Desanon), the head of one of the families of temple-servants that returned from Babylon (1 Esdras v: 31); evidently a corruption ( רbeing mistaken for ד) for the REZIN SEE REZIN (q.v.) of the Hebrew texts (Ezr_2:48; Neh_7:50).
CYCLOPEDIA OF BIBLICAL, THEOLOGICAL AND ECCLESIASTICAL
press 1895.