PRINCIPLE STATEMENT

A relative (such as a sister) may give evidence in favor of a brother if she is of unquestionable character and integrity, and provided no manifest suspicion exists that she will derive benefit from her testimony.

RATIO DECIDENDI (SOURCE)

Per Wali, JSC, in Usman v. Kareem (1994) NLC-1521993(SC) at P. 5; Paras E--C (P.6).
"A relative (such as a sister) may give evidence in favour of a brother if she is of unquestionable character and integrity, and provided no manifest suspicion exists that she will derive benefit from her testimony."
View Judgment

EXPLANATION / SCOPE

Islamic law doesn’t categorically exclude relative testimony but imposes strict conditions: (1) Unquestionable character and integrity—the relative must have established reputation for truthfulness and moral standing; (2) No manifest suspicion of benefit—the relative must not stand to gain materially or otherwise from testimony outcome. These requirements address bias concerns without wholesale exclusion. Relatives with these qualities can testify because their moral character provides reliability assurance. However, if suspicion exists that testimony serves the relative’s interests (inheritance, financial gain, family advantage), the testimony becomes suspect. Courts assess: the relative’s reputation, whether they benefit from the outcome, and potential bias. This balanced approach recognizes that relatives often have relevant knowledge while guarding against interested testimony.

CASES APPLYING THIS PRINCIPLE