term:

Inofficious

inofficious adj

[Latin inofficiosus (of a will) ignoring the testator's duty to his relatives, from in- not + officiosus kind, dutiful, from officium service, kindness, duty]
: of or relating to a disposition of property that has the effect of depriving descendants of the shares of a succession to which they are entitled by law

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.