Family Group Sheet| HUSBAND | | Ype Hendriks de Koe | | BIRTH | 19 October 1760 | Hindeloopen | | DEATH | 8 April 1810 | | | MARRIAGE | 16 May 1784 | Hindeloopen | | FATHER | Hendrik Harmens de Koe | | MOTHER | Trijn Hessels | | | | WIFE | | Ybeltje Tjittes | | DEATH | 31 March 1827 | |
| | | CHILDREN | | 1. | Hendrik Jappes (Ypes) de Koe MALE | | | BIRTH | 3 August 1786 | Hindeloopen | | DEATH | 10 March 1837 | Hindeloopen | | REF # | | 3259; | | MARRIAGE | 8 May 1808 | Sophia Paulus Bijlsma; Hindelopen |
| | 2. | Sjouwk Yppes de Koe FEMALE | | | BIRTH | 1790 | | | DEATH | 4 March 1827 | Hindeloopen | | MARRIAGE | 9 October 1809 | Lolke Jelles Smid; |
| | 3. | Harmen Yppes de Koe MALE | | | BIRTH | 1797 | Hindeloopen | | MARRIAGE | 28 April 1816 | Jies Gerrits de Jong; Hindeloopen |
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