His children included Nobukatsu OKABE (eldest son), Okitaka OKABE (second son), Nagamasa OKABE (third son), Yoshimi OKABE (岡部佳深; fourth son), Sadanao OKABE (sixth son), and five daughters (Katsushige NABESHIMA's second wife, Nobunori ODA's principal wife, Yasuoki KATO's principal wife, Katataka TERAZAWA's principal wife, and Norikatsu OKUBO's principal wife).
子に岡部宣勝（長男）、岡部輿賢（次男）、岡部長政（三男）、岡部佳深（四男）、岡部定直（六男）、娘（鍋島勝茂継室）、娘（織田信則正室）、娘（加藤泰興正室）、娘（寺沢堅高正室）、娘（大久保教勝正室）。