On 2 Aug 1888 when Jacobus was 25, he married Jacomina Hamelink (67388) , daughter of Pieter Hamelink (64801) (13 May 1831-23 Dec 1923) & Anthonina Bakker (30 Nov 1834-29 Aug 1905), in Zaamslag, Zeeland.94 Born on 6 Feb 1863 in Zaamslag, Zeeland.94 Jacomina died in Zaamslag, Zeeland, on 29 Jul 1932; she was 69.94

Children of Jacobus Roose and Jacomina Hamelink:
    i. Jacobus Pieter Roose, b. 1890, m. at Zaamslag 20 May 1920 Neeltje van Hoorn (dau. of Andries van Hoorn & Sara Klassen);
    ii. Pieter Roose, b. 1891, m. at Zaamslag 21 Jul 1913 Elizabeth Maas (dau. of Cornelis Maas & Maria Geelhoedt);
    iii. Jan Roose, b. 1892, m. at Zaamslag 12 Sep 1918 Catharina de Putter; and
    iv. Anthonie Roose, b. 1894, m. at Hoek 18 Nov 1920 Janna Pladdet (b. 1896, dau. of Adriaan Pladdet & Maria de Groote).