This looks like the death of William:
1906, reg Victoria, #4922
Wm McKean, 67,
Died at Cobden, Victoria
Parents: McKean Jno, Cath Ramage
There is a digitised will for this man. No mention of his brother though - William leaves all to his wife Christina and his son William James
Scotland census 1851 shows this family living in Edinborough
John Mckean 47
Cath Mckean 46
James Mckean 19
Peter Mckean 17
Wm Mckean 12
Joseph Mckean 10
Jane Mckean 8
Agnes Mckean 6
Robert Mckean 4
Judith