Hereby shall I # 01_GEN_42_33 # And the man, the lord of the country, said unto us, Hereby shall I know that ye [are] true [men]; leave one of your brethren [here] with me, and take [food for] the famine of your households, and be gone: 
Whereby shall I # 42_LUK_01_18 # And Zacharias said unto the angel, Whereby shall I know this? for I am an old man, and my wife well stricken in years. 
thereby shall I # 01_GEN_24_14 # And let it come to pass, that the damsel to whom I shall say, Let down thy pitcher, I pray thee, that I may drink; and she shall say, Drink, and I will give thy camels drink also: [let the same be] she [that] thou hast appointed for thy servant Isaac; and thereby shall I know that thou hast showed kindness unto my master. 
whereby shall I # 01_GEN_15_08 # And he said, Lord GOD, whereby shall I know that I shall inherit it?