Robert Milewater is a character created for the 2010 ITV adaptation of the short story The Blue Geranium. Robert is the brother of Miss Marple's friend Dermot Milewater, the vicar of the village of Little Ambrose.
Robert was at some time in the past the vicar of St. Mary Mead. He is also the father of Hester Milewater who is the cook at Summerleigh, the house bought by the Pritchards. Robert is mentioned several times in the show but does not appear in person.