disclaim (v.)
disown, repudiate, renounce [connection with]
KJ I.i.247 [Bastard to Lady Faulconbridge] I have disclaimed Sir Robert and my land
KL I.i.113 [Lear to Cordelia] Here I disclaim all my paternal care
KL II.ii.51 [disguised Kent to Oswald] You cowardly rascal, nature disclaims in thee
R2 I.i.70 [Bolingbroke to Mowbray] there I throw my gage, / Disclaiming here the kindred of the King