Diana Barnewall (1929-2023) (1929–2023) Parents Muriel Schneider Charles Aloysius Barnewall, 19th Baron Trimlestown Children Lucinda Jane Mary Birtwistle Emma Francis Mary Birtwistle Sophia Louise Mary Birtwistle Caroline Muriel Mary Birtwistle Siblings Anthony Edward Barnewall, 20th Baron Trimlestown Raymond Charles Barnewall, 21st Baron Trimlestown Partners Anthony Gerard Astley Birtwistle