Plaque about Joseph and James Thomas on the Rockingham Waterfront Pioneer Rotary Walk in Rockingham, Western Australia. It reads, "The grandparents Joseph William and James Clifton arrived aboard 'Gilmore' with their father John who married Elizabeth Cooper. They farmed at East Rockingham. Joseph purchased lot 200 in 1879 and James lot 139 in 1839. Joseph married Amelia Key and James married Annie Jane Casheen."