Which preposition to use with khedives

of Occurrences 5%

In the year 1869, at the request of the Khedive of Egypt, Sir Samuel undertook a journey to the Soudan to put down the slave trade.

into Occurrences 1%

BAKER, SIR SAMUEL WHITE, a man of enterprise and travel, born in London; discovered the Albert Nyanza; commanded an expedition under the Khedive into the Soudan; wrote an account of it in a book, "Ismailia"; visited Cyprus and travelled over India; left a record of his travels in five volumes with different titles (1821-1893).

with Occurrences 1%

GRENFELL, SIR FRANCIS WALLACE, Major-General, late Sirdar of the Egyptian army, born in London; distinguished himself in Zulu, Transvaal, Egyptian, and Nile expeditions (1885-1892), and commanded forces in Egypt (1897-98); was presented by the Khedive with a sword of honour on his retirement, in souvenir of the victories of Giniss, Gamaizo, and Toski; b. 1841.

Which preposition to use with  khedives