The Nigeria senate chief Whip, Orji Kalu announced wife demise in a Facebook post on Monday.
The former governor of Abia did not give details about her death.He also said a memorial service would be held in her honour in the US.
“With a heavy heart and pain, we announce the passing on to eternal glory of Mrs Ifeoma Ada Kalu aged 61 years,” he said.
“She was a woman of virtue who was committed to the service of God and humanity. A memorial service in her honour is scheduled to be held in the United States of America (USA).