They had four children: Leontine (b. May 1889), Helen (b. June 1891), Donald (b. August 1894), and Thomas, Jr. (b. January 1899).
The family's family tree includes four children: Leontine was born in May 1889, followed by Helen in June 1891, then Donald in August 1894, and finally Thomas, Jr., who arrived in January 1899.