I Maccabees 2:20

20 Yet will I and my sons and my brethren walk in the covenant of our fathers.

I Maccabees 2:20 In-Context

18 Now therefore come thou first, and fulfil the king's commandment, like as all the heathen have done, yea, and the men of Juda also, and such as remain at Jerusalem: so shalt thou and thy house be in the number of the king's friends, and thou and thy children shall be honoured with silver and gold, and many rewards.
19 Then Mattathias answered and spake with a loud voice, Though all the nations that are under the king's dominion obey him, and fall away every one from the religion of their fathers, and give consent to his commandments:
20 Yet will I and my sons and my brethren walk in the covenant of our fathers.
21 God forbid that we should forsake the law and the ordinances.
22 We will not hearken to the king's words, to go from our religion, either on the right hand, or the left.

The Brenton translation of the Septuagint is in the public domain.