In 1891, Richard was living at Leigh Road, West Leigh, Lancashire:
William Chadwick Head Mar 43 Lancashire
Mary Chadwick Wife Mar 44 Lancashire
Clara Chadwick Daur 17 Lancashire
Richard Chadwick Son Male 8 Lancashire
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We see Richard in 1901 living at Wilmslow, Cheshire:
William Chadwick Head Mar 53 Leigh Lancashire
Mary Chadwick Wife Mar 54 Bury Lancashire
Clare Chadwick Daur UnM 27 Little Hulton Lancashire
Richard Chadwick Son UnM 18 Leigh Lancashire
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In 1911, the family was still living at Wilmslow:
William Chadwick Head Mar 63 Leigh Lancashire
Mary Chadwick Wife Mar 64 Bury Lancashire
Clara Chadwick Daur UnM 37 Little Hulton Nr Bolton Lancashire
Richard Chadwick Son UnM 28 Leigh Lancashire
Florence Elizabeth Brumfit Servant UnM 19 Liverpool Lancashire
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We see Richard in 1939 living at Ketherfield Victoria Road, Wilmslow, Cheshire:
Richard Chadwick 01 Nov 1882 Hosiery Manufacturers Agent Married
Dorothy Chadwick 20 Jul 1890 Unpaid Domestic Duties Married
Geoffrey Chadwick 23 Jan 1920 Bank Clerk Single
Margaret K Walker 19 Jul 1879 Unpaid Domestic Duties Married
Nora Worthington (Bru?dley) 08 Jun 1916 Domestic Servant Single

I understand that although Dorothy trained as a teacher, she never actually taught. During WWII she volunteered as a nurse and that's how she met her husband Dick Chadwick. He was convalescing after having been gassed.

Joyce married a man named Dennis Jung.