Who is known for religious poetry among these authors?

Mary (Sidney) Herbert is recognized for her contributions to religious poetry, particularly through her collection of poems titled "The Life of the Mind," which delves into themes of faith, spirituality, and the relationship with God. Her work often reflects her deep commitment to her faith and the struggles associated with it, showcasing the importance of personal devotion in her writing.

In contrast, while Edmund Spenser and Geoffrey Chaucer engaged with moral and allegorical themes in their works, their poetry isn’t primarily categorized as religious. Spenser is known for "The Faerie Queene," which contains some allegorical elements related to virtue and morality but merges these with heroic and fantasy themes. Chaucer, through "The Canterbury Tales," explores a wide range of social and moral questions, but his focus is more on human behavior and societal norms than strictly religious topics. Sir Thomas Malory, best known for "Le Morte d'Arthur," largely centers his narrative on chivalry, adventure, and the Arthurian legends, making his work more secular.

Thus, Mary (Sidney) Herbert stands out for her direct engagement with religious themes in her poetry.