Maryland Statutes
Subtitle 2 - Valid Marriages; Void Marriages
Section 2-202 - Marriages Within Certain Degrees of Relationship Void; Penalties

(a)    Any marriage performed in this State that is prohibited by this section is void.
    (b)    (1)    An individual may not marry the individual’s:
            (i)    grandparent;
            (ii)    parent;
            (iii)    child;
            (iv)    sibling; or
            (v)    grandchild.
        (2)    An individual who violates any provision of this subsection is guilty of a misdemeanor and on conviction is subject to a fine of $1,500.
    (c)    (1)    An individual may not marry the individual’s:
            (i)    grandparent’s spouse;
            (ii)    spouse’s grandparent;
            (iii)    parent’s sibling;
            (iv)    stepparent;
            (v)    spouse’s parent;
            (vi)    spouse’s child;
            (vii)    child’s spouse;
            (viii)    grandchild’s spouse;
            (ix)    spouse’s grandchild; or
            (x)    sibling’s child.
        (2)    An individual who violates any provision of this subsection is guilty of a misdemeanor and on conviction is subject to a fine of $500.