On 1 Sep 1723 Jacobus married Geertje Adriaanse in New York Reformed Church.
Children of Jacobus Ryckman and Geertje Adriaanse:
i. Johannes Ryckman, b. ca 1724;
ii. Catharina Ryckman, b. ca. 1726;
iii. Maria Ryckman, b. ca 1728;
iv. Jacobus Ryckman, b. ca. 1731;
v. Arie Ryckman, b. ca. 1734;
vi. Johannes Ryckman, b. ca. 1737; and
vii. Tobias Ryckman, b. ca. 1741.