What term refers to languages that have descended from the same ancestral language?

Question

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Daughter languages refer to languages that have descended from the same ancestral language, while sibling and brother languages might have a common ancestor but not necessarily the same one. Descendant languages might refer to any language that has evolved from its earlier form, while protolanguages refer to reconstructed languages believed to be the ancestral forms of modern languages.

What Term Refers to Languages That Have Descended from the Same