Section 3-301 - When entitled to share(a) A will may not be revoked by the subsequent birth, adoption, or legitimation of a child by the testator except under the circumstances referred to in § 4-105(3) of this article.(b) A child described in subsection (a) of this section or issue, if any, of such child who does not survive the testator, is entitled to a share in the estate to be determined and paid in accordance with §§ 3-302 and 3-303 of this subtitle, if:(1) The will contains a legacy for a child of the testator but makes no provision for a person who becomes a child of the testator subsequent to the execution of the will;(2) The child was born, adopted, or legitimated after the execution of the will;(3) The child, or the child's issue, survive the testator; and(4) The will does not expressly state that the child, or the child's issue, should be omitted.Amended by 2019 Md. Laws, Ch. 197,Sec. 1, eff. 10/1/2019.