Sir David Jason is planning a family Christmas which will include seeing his daughter Abi he didn't know existed for 52 years - as they continue a "voyage of discovery". The Mirror revealed last year how TV legend David, 84, had met up with Abi Harris and his new grandson Charlie after a paternity test confirmed he had a second daughter he didn't know about from a brief relationship with the late actress Jennifer Hill in 1970. We can reveal the 84-year-old toasted daughter Abi's birthday