Hugh married Emma Elizabeth Brown in 1901 in Sydney, New South Wales, Australia. Emma (daughter of Charles Pugh Brown and Dora Caroline Longmere) was born in 1879 in Sydney, New South Wales, Australia; died in 1934; was buried on 27 Apr 1934 in Rookwood Catholic Cemetery, Barnet Avenue, Rookwood, New South Wales, Australia. [Group Sheet]

1. Aubrey Lawn and died.
2. Dora Lawn and died.
3. Alexander Charles Lawn was born in 1902 in Woollahra, New South Wales, Australia; and died.
4. Victor Hugh Lawn was born in 1904 in Woollahra, New South Wales, Australia; died on 11 Jul 1970.
5. Ronald S. Lawn was born in 1907 in Woollahra, New South Wales, Australia; and died.
6. Roy Pugh Lawn was born in 1909 in Waverley, New South Wales, Australia; and died.
7. Rose Dora Lawn was born about 1912; and died.
8. Elsie M. Lawn was born about 1917; died in 1922 in Annandale, New South Wales, Australia; was buried on 27 Jan 1922 in Rookwood Catholic Cemetery, Barnet Avenue, Rookwood, New South Wales, Australia.
9. Living