Celebrity Parents Cate Blanchett welcomes third son, Ignatius Martin By Staff Author Published on April 13, 2008 06:55 PM Share Tweet Pin Email Actress Cate Blanchett, 38, and husband Andrew Upton, 41, have welcomed their third son. Ignatius Martin Upton was born on Sunday, April 13th in Sydney, Australia. The Australian media reported a weight of 7 lbs, 9 oz, while Us Weekly says 8 lbs, 6 oz. Ignatius joins big brothers Dashiell John, 6, and Roman Robert, who turns 4 on April 23rd. A spokesperson said, All are well and very happy. Cate confirmed the pregnancy, after much speculation, in November. In February, she revealed the sex of the baby in a comment made at the Oscars. We are unsure what her due date was, but as of April 11th, Cate had shared that she was overdue. Source: Courier Mail Thanks to CBB readerSiobhán.