Meaning of 積善の家には必ず余慶有り in Japanese

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Definition of 積善の家には必ず余慶有り

せきぜんのいえにはかならずよけいあり(sekizennoienihakanarazuyokeiari) 【積善の家には必ず余慶あり ·積善の家には必ず余慶有り】

(exp) one's good deeds shall be repaid even to one's descendants →Related words: 積不善の家には必ず余殃あり