Baroness Maria Johanna Bertha Christina van Dedem

(died 1932) (d. 1932)

Parents

• Christina Catharina Roessingh Udink
• Alexander van Dedem

Children

• Maria Christina Elizabeth Mackay
• Eric John William Theodoor Mackay
• Aeneas Mackay, 13th Lord Reay
• Alexander Willem Rynhard Mackay

Siblings

• Christina Bernardine Johanna van Heerdt

Partners

• Eric Mackay, 12th Lord Reay