v. [UN-2 6 b.] trans. To deprive of the character or status of a son.
1652. Bp. Hall, Rem. Wks. (1660), 144. He may so sin as to be frowned on not so as to be unsonned, or dis-herited.
1653. O. Sedgwick, Doubting Believer, 255. It is an unadvised folly in the suspension of Gods favour, to unsonne our selves, and unpeople our selves.
1752. Young, Brothers, III. i. Thy heart, how dead to evry call of nature! Unsond! unbrotherd nay, unhumanizd!
1882. G. Macdonald, Weighed & Wanting, III. 165. The father came back determined that his son, having unsonned himself, should no more be treated as a son.