a. 私生子的, 靠非法手段获得的

[ adj ]
born out of wedlock
<adj.all>
the dominions of both rulers passed away to their spurious or doubtful offspring

Misbegot \Mis`be*got"\, Misbegotten \Mis`be*got"ten\, p. a.
1. Unlawfully or irregularly begotten; of bad or disreputable
origin; pernicious. ``Valor misbegot.'' --Shak.

2. Poorly designed or planned; badly carried out;
ill-conceived.
[PJC]