Daughter Michelle Kirwan, 39, described them as "the sweetest, kindest people that I have ever met".
Mr Kirwan was planning to marry his girlfriend of six years, 21-year-old Jade Elwell, next year.
Kirwan's current watchword is "osare" - the Italian for 'taking a risk' or 'being daring.
Mr Kirwan, who worked in a factory in Shropshire, was stabbed near the Uberra Club on 8 July.
"Our challenge is to risk winning, to still be in the game with 10 minutes to go, " Kirwan insists.
As one of the stars of an all-conquering All Blacks side, losing was a distinctly unfamilar experience for Kirwan.
Jade Elwell, the fiancee of 23-year-old Tom Kirwan, who was stabbed in Wolverhampton, said 30 days was not long enough.
The match was Italy's fourth in 14 days - a match schedule Kirwan had complained about earlier in the tournament.
Meanwhile, Japan coach John Kirwan has named his team to face Wales.
The death of Tom Kirwan, 23, was discussed in Parliament on Tuesday.
Mr Kirwan's family have started a petition calling for similar punishments for people convicted of having a knife as those who carry guns.
Kirwan has made two changes from the defeat against Fiji with Tongan-born Christian Loamanu switching from wing to full-back instead of the injured Go Aruga.
In Parliament on Tuesday, justice minister Jeremy Wright paid tribute to Mr Kirwan's family and said the government would look at sentencing options for judges.
Mr Kirwan's manager, Adrian Ward, said more than one hundred people attended his funeral at St Peter and St Paul's Church in Wolverhampton on Friday.
The Italians, unsurprisingly under the combative John Kirwan, continue to improve inexorably, and gave favourites Ireland a real fright, who looked anything but convincing, especially in the pack.
His solicitor David Kirwan said Mr Sankey had suffered death threats and the decision to provide the statement follows "the worst days of his life and that of his family".
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Gap's China president, Jeff Kirwan, said the company is optimistic about growth in China, as Chinese consumers are eager to learn about global brands and have a strong appetite for American style.
Chinese consumers today are also more progressive than their parents and "have had greater opportunities to travel internationally and are knowledgeable about brands, good customer service and inviting shopping environments, " Mr. Kirwan said.
But Japan coach John Kirwan has vowed to follow a brand of rugby that suits his squad and to bring out the "Samurai Spirit", and has targeted at least two wins from the tournament.
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