But most of her wealth comes from her 25 per cent stake in the former Jurys Doyle Hotel Group.
Corbo's rent roll was €34m last year, slightly down on 2012.
Morrison, who started out in business selling leather jackets out of the boot of his car, has sold a pile of properties recently, including Longwood Retail Park in Newtownabbey, Co Antrim, Damolly Retail Park in Newry, Co Down, the M&S building on Donegall Place in Belfast, and a Sainsbury's store in Ballymena.109 Eamonn & Brendan Mc Grath €100m Wind power, up €28m Last November the Mc Graths' wind energy firm Gaelectric inked a €92m financing deal, which will help it bring its huge Dunbeg wind farm into operation.
The former Esat Digifone chief is one of the investors and partners in Balderton Capital, the venture capital group behind some of the biggest hits in recent years including Betfair and Bebo.
The group has owned stakes in everything from money lending group Wonga to online lingerie group Figleaves and Eric Mosley's €400m Globoforce. Chelsea fan Maloney netted about €60m from the sale of his stake in Esat in 2000 and has invested wisely.
105 Tony Barry & family €105m Tea bags, down €6m The Barry cork merchant prince family continue to coin it as Ireland's love affair with tea continues. A court case in 2010 valued the business at about €90m.
Tony Barry owns most of the shares, with a 55 per cent stake.
He's the fourth generation of the family to manage the business and has diversified away from just tea, buying a stake in a boob implant firm Global Aesthetics as well as in media and private equity.
The family shared a €41m pay-out in 2007 after the sale of investment properties.106 Jim & Jack Dobson €104m Meat, down €2m Dungannon cattle dealers Jim and Jack Dobson are the engine behind Dunbia, one of Europe's largest lamb, beef and pork processors.
Maloney and his family own the Mount Falcon resort in Mayo.113 John Flaherty €95m Wind farms, up €30m Athenry's Flaherty owns most of the shares in C&F Tooling, the fast-growing specialist engineering group focused on the wind farm and renewable energy sector.
Sales jumped €47m to almost €139m, generating profits of €4.5m.
Staff numbers increased from a little more than 1,000 to nearly 1,350 as the company bulked up spectacularly.114 Peter Fitzgerald €95m Biotech, up €7m Antrim firm Randox launched the first home-testing kit for people worried about having caught the clap.