Gidday Jared, and welcome to Rootschat and the NZ Board.
I've found a few more children, I think, although the dates of birth aren't consistent:
School Roll.
Frances JOSEPHS, DOB 17 April 1899.
School, Te Aro, admitted 19 June 1905.
Parent was Philip JOSEPHS of 46 Taranaki Street.
Last school was Mitchelltown.
Last day 19 June 1908,
Destination Johnsonville (School).
School Roll.
Jennie JOSEPHS, DOB 24 May 1898.
School, Te Aro, admitted 19 June 1905.
Parent was Philip JOSEPHS of 46 Taranaki Street.
Last school was Mitchelltown.
Last day 19 June 1908,
Destination Johnsonville (School).
School Roll.
Jessie JOSEPHS, DOB 11 March 1901.
School, Te Aro, admitted 5 March 1906.
Parent was Philip JOSEPHS of 64 Taranaki Street.
Last school, -
Last day 19 June 1908,
Destination Johnsonville (School).
School Roll.
Rose JOSEPHS, DOB 3 September 1902.
School, Te Aro, admitted 3 February 1908.
Parent was Philip JOSEPHS of 67 Taranaki Street.
Last school -
Last day -
Destination –
School Roll.
Jennie JOSEPHS, DOB 28 May 1898.
School, Johnsonville, admitted 22 June 1908.
Parent was Mr Philip JOSEPHS, address not given
Last school was Te Aro.
Last day, 13 December 1911
Destination, Normal School.
School Roll.
Jessie JOSEPHS, DOB 15 June 1901.
School, Johnsonville, admitted 22 June 1908.
Parent was Mr Philip JOSEPHS, address not given
Last school was Te Aro.
Last day, 16 December 1912,
Destination, Normal School.
School Roll.
Rose JOSEPHS, DOB 14 September 1902.
School, Johnsonville, admitted 22 June 1908.
Parent was Mr Philip JOSEPHS, address not given
Last School -.
Last day, 21 February 1913,
Destination, Khandallah (School?)
School Roll.
Fanny JOSEPHS, DOB 28 September 1899.
School, Johnsonville, admitted 22 June 1908.
Parent was Mr Philip JOSEPHS, address not given
Last School Te Aro.
Last day, 13 December 1911
Destination, Technical S
School Roll.
Lulu Louisa JOSEPHS, DOB 14 September 1904.
School, Johnsonville, admitted 9 December 1909.
Parent was Mr Philip JOSEPHS, address Johnsonville
Last School Te Aro.
Last day, 21 February 1913
Destination, Khandallah (School?)
Hope this helps.
Regards, rileyaceofspades