Generally no, all communication between husband and wife is what is called Spousal Privilege that states one may not force a wife to testify against her spouse. However, the Spousal Privilege may be breached by an exception to the rule.
A parent company is a company that owns enough voting stock in another firm (subsidiary) to control management and operations by influencing or electing its board of directors. A parent company could simply be a company that wholly owns another company.
By 1892, Blundstone's eldest son, Sylvanus, had joined him in business, and the pair formed J. Blundstone & Son, manufacturing boots in two outlets on Collins Street, later buying a purpose-built two story factory on Campbell Street.. Blundstone & Son was bought in 1901 by the Cane family of ironmongers, and W.H. Blundstone & Co. went bankrupt in 1909. The Canes ran the company until the Great Depression in Australia caused a downturn in profits, which once again saw the company sold.