From A Wiki of Ice and Fire
Lady Alys Harroway later Queen Alys was one of the many wives of King Maegor I, the only child of King Aegon I Targaryen and Queen Visenya Targaryen.
She secretly married Maegor in 39AC. Alys father, Lord Lucas Harroway served as Maegors Hand of the King. After having given birth to a deformed baby in 44AC, Maegor had Alys, her father, her bed maids, Grand Maestar Desmond who assisted with the birth and every member of House Harroway executed.
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