Thụ was born in 1893. Thụ's father was Huyên and his mother was Ruẩn Trần. His paternal grandparents were Thiệu and Tửu Trần. He had two brothers and two sisters, named Soạn, Phủng, Khuông and Thuyên. He had a half-brother named Tiếp.
General Notes
Sinh giờ Tý, ngày 22-3 năm Quý Tỵ. 1913: Đỗ Sơ-học bổ-túc 1914: bổ tổng-sư thí sai hang B ở Gia-thụy, Bắc-ninh. Sau đó bổ đi Sơn-la - Nghĩa-hưng (Nam-định) - Trà-cổ (Móng-cái), Chữ (Bắc-giang), An-châu (Bắc-giang). 1938: thăng giáo-học thí-sai hạng nhất.