Mick Philpott, 55, his wife Mairead, 31, and a third co-defendant, Paul Mosely, 45, each denied the charges in a Birmingham, England, Crown Court video-link hearing Monday.
Five of the six children, a girl and four boys aged between five and 10, died in the fire in their parents' house in May. A sixth child, a boy, 13, died later in a local hospital, the Derby, England, Telegraph reported Monday.
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