Upon his death, she had to bring up three children on her own, and was especially concerned with the poor health of her eldest child: her son Wan Tho. This spurred her to the point of bringing the children abroad for education and healthcare in Switzerland in 1929.
Following her husband's passing, she had to raise their three children by herself, with a particular focus on the well-being of her oldest son, Wan Tho.  In 1929, she made the decision to send them all abroad for education and medical treatment in Switzerland.