Please answer the following question: - known for is lady-in-waiting to elizabeth i    - resting place is penshurst place , kent    - caption is mary ; 1550 & ndash ; 1555 sidney by hans eworth , c. & nbsp    - birth name is mary dudley    - death date is 9 august 1586    - spouse is sir henry sidney    - parents is john jane guildford dudley , 1st duke of northumberland , and      - children is sir a child -rrb- elizabeth sidney -lrb- died as a child philip -rrb- mary herbert , countess of pembroke robert sidney , sidney 1st earl of leicester ambrosia sidney -lrb- died as a mary child -rrb- sir thomas sidney margaret sidney -lrb- died as    - birth date is c. 1530 & ndash ; 1535      - image size is 250px    - image is hans eworth mary dudley lady sidney.jpg    - death place is london    Given the details above, guess who could this information be about.
Answer:
mary dudley