Tracing Family Members - Erin International assists in identifying and tracing previously unknown siblings. Erin International recently featured on RTE Radio's acclaimed series "Doc on 1". PJ Hogan, Senior Genealogist at Erin International recently assisted Fermoy man John Richard, who was attempting to establish the identity and whereabouts of who he believed was a half-sister in the UK. At the age of two, John’s father abandoned him,