After the passing of this Act the children of any woman who may die domiciled in Scotland shall have the same right of legitim in regard to her moveable estate which they have according to the law and practice of Scotland in regard to the moveable estate which they have according to the law and practice of Scotland in regard to the moveable estate of their deceased father, subject always to the same rules of law in relation to the character and extent of the said right, and to the exclusion, discharge, or satisfaction thereof, as the case may be.