Hi Jason,
This info was found in the Bio Index of SA 1836-1885.
TYZACK William: born 19.8.1797 Sunderland Dur ENG died 10.12.1885 Semaphore SA. buried: Cheltenham SA
arrived: 1840 Warrior occ: Shipwright residing Pt Adelaide, Semaphore SA religion: Presb, C/E
married: 9.9.1884 Adelaide SA Mary Ann nee KEYSER born c 1811 nr Plymouth DEV ENG died 15.12.1860 Pt Adelaide SA
children: Mary Ann McFARLANE 1845-1918, Deborah 1847-UK,
Sarah TULLOCH 1849-1905, Samuel 1854-1915
TYZACK Samuel: born 17.1.1854 SA died 15.6.1915 UK
married: 25.3.1876 Nth Adelaide SA Mary Ann nee PRICE.
Hope that helps - Sashar