Although he refused to be married to Mary, Queen of Scots, Dudley was for a long time relatively sympathetic to her until, from the mid-1580s, he strongly advocated for her execution.
Walaupun ia menolak dinikahi dengan Mary, Ratu Skotlandia, Dudley cukup bersimpati kepadanya, tetapi semenjak pertengahan tahun 1580-an ia menganjurkan agar Mary dihukum mati.