EX DELECTU FAMILIAE

EX DELECTU FAMILIAE ex delectu familiae (eks di-lek-t[y]oo f[schwa]-mil-ee-ee). [Law Latin] Hist. From choice of a certain family. ? The phrase appeared in reference to the sovereign’s right to bestow honors on those whom he chose. What is the legal equivalence of EX DELECTU FAMILIAE in Chinese?